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Laing E-10 EcoCirc 6050U0016 Spa Circulation Pump – 230V 3/4″ Barb

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⚙️ Laing E-10 EcoCirc 6050U0016 Spa Circulation Pump – 230V 3/4″ Barb The most widely used 230V OEM spa circulation pump — ECM efficiency with zero-seal magnetic drive �� Product Overview The Laing E-10 EcoCirc 6050U0016 is a 230V single-speed spa circulation pump with 3/4″ barb connections and a 4-foot bare cord included, engineered for continuous 24/7 low-flow heater circulation on 230V spa systems. This is the most widely used 230V OEM spa circulation pump — factory-installed by Sundance Spas (PermaClear systems 1997 ), Jacuzzi (J-200 and J-300 series 240V-only models 2002–2011), Sweetwater (2003–2004 models), Dimension One, Dynasty, Cal Spas, and many other major manufacturers. This pump is the 230V companion to the 6050U0015 (115V, 3/4″ barb) — identical pump body, identical magnetic drive technology, with the motor wound for 230V operation. Powered by advanced Electronically Commutated Motor (ECM) technology, the E-10 consumes up to 40% less energy than the SM909 and SM1212 series it directly replaces. The magnetically driven open impeller eliminates the traditional shaft seal entirely — removing the number one failure point in conventional circulation pumps. With no mechanical seal to leak or wear out, the E-10 delivers truly maintenance-free motor operation. The clog-resistant open impeller handles debris that would stall closed-impeller designs, while the 32-bit motor with side vents provides improved cooling for extended service life. Built-in dry run protection via an embedded microprocessor automatically shuts down the pump if operated without water, and a soft start feature (~3 seconds) reduces mechanical stress on every startup cycle. Delivering up to 14 GPM with a maximum head of 20 feet, the E-10 fits the tightest equipment compartments at under 5 lbs and whisper-quiet operation under 50 dB. Can be mounted horizontally or vertically with motor end down. ✨ Key Features ✅ 230V ECM Technology — Electronically Commutated AC/DC/AC Spherical Motor consumes 40% less energy than previous SM909/SM1212 series ✅ 14 GPM Maximum Flow — Optimal flow for low-flow heater circulation systems with 20 ft maximum head ✅ 3/4″ Barb Connections — The most common OEM spa circulation pump connection size for 230V systems ✅ Magnetically Driven Open Impeller — NO shaft seal to leak or replace, plus clog-resistant design for trouble-free operation ✅ Built-In Dry Run Protection — Embedded microprocessor automatically detects no-water condition and shuts down to prevent damage ✅ Soft Start Technology — Approximately 3-second gradual startup reduces mechanical stress and extends pump life ✅ 4-Foot Bare Cord INCLUDED — Pre-wired and ready for direct connection to spa control system ✅ 32-Bit Motor with Side Vents — Advanced motor design with improved heat dissipation for longer service life ✅ High Density Ceramic Bearing Ball & Graphite Impeller — Engineered for continuous 24/7 operation ✅ Sundance / Jacuzzi OEM Replacement — Direct replacement for 6000-125, 6000-125E, and 6500-035 ✅ 50/60 Hz Compatible — Works on both domestic (60 Hz) and international (50 Hz) electrical systems ✅ 1-Year Manufacturer Warranty — Full coverage from Laing Thermotech / Xylem �� Technical Specifications Specification Value Manufacturer Laing Thermotech (Xylem) Series E-10 EcoCirc Model E10-NSHNDNN2W-02 / E10-NSHN2W-20 / E10-NSHNNN2W-20 / E10-NSHNSW20 Primary Part Number 6050U0016 Alternate Part Number 73979 UPC 733886739794 Pump Type Spa Circulation Pump — 24/7 Continuous Duty Motor Type Electronically Commutated AC/DC/AC Spherical Motor (ECM) Impeller Type Magnetically Driven, Open — Clog Resistant Impeller Material Graphite with High Density Ceramic Bearing Ball Shaft Seal NONE — Magnetically Driven (No Seal Required) Voltage 230V Frequency 50/60 Hz (Domestic and International) Phase Single Phase Wattage 65–71W (see note below) RPM 3,200 at 230V / 60 Hz Speed Single Speed Maximum Flow Rate 14 GPM Maximum Head 20 ft Maximum Working Pressure 50 PSI Maximum Temperature 140°F (60°C) Rotation Counter-Clockwise (Viewed from Motor End) Suction Connection 3/4″ Barb — Center Suction Discharge Connection 3/4″ Barb — Side Discharge Volute Fastening 4 Bolts and 4 Nuts Wet End Material Thermoplastic Discharge Positions 4 Angles via Built-In Mounting Bracket Dimensions (L × H × W) 6″ × 4.88″ × 4.31″ Weight Under 5 lbs Noise Level Under 50 dB — Whisper Quiet Power Cord 4-Foot Bare Cord INCLUDED Mounting Bracket INCLUDED Mounting Position Horizontal, or Vertical with Motor End Down Drain Plug None Protection Features Dry Run Protection, Automatic Overload Protection, Soft Start (~3 sec) Warranty 1-Year Manufacturer Warranty ⚡ Electrical Requirements Electrical Spec Requirement Supply Voltage 230V (220V/240V same standard) Frequency 50/60 Hz Phase Single Phase Wattage 65–71W RPM 3,200 at 60 Hz Power Cord 4-Foot Bare Cord INCLUDED Wiring 3 Wires: Hot, Hot, Ground (230V — No Neutral) ⚠️ CRITICAL — 230V ONLY: This pump operates on 230V ONLY. Do NOT connect to a 115V circuit. Using the wrong voltage will result in the pump not operating or potential damage. For 115V spas with 3/4″ barb connections, order the Laing E-10 model 6050U0015 / 73989 (115V, 3/4″ barb). ⚠️ 230V WIRING: 230V pumps use TWO hot wires plus ground — there is NO neutral wire. Connect both hot wires and the ground wire to your spa control system per the manufacturer’s wiring diagram. Use the connector from the old circulation pump where applicable. ⚠️ VOLTAGE CHECK: Hot tub supply voltage does NOT always dictate circulation pump operating voltage. Always check the service tag on the side of the pump you are replacing to confirm 230V before ordering. Some Sundance and Jacuzzi spas use color-coded wires (black/white/green) for BOTH 115V and 230V systems. �� Compatibility Guide Sundance Spas — OEM Replacement (230V PermaClear Systems) This pump is the OEM circulation pump for Sundance Spas 230V PermaClear systems. It directly replaces Sundance part numbers 6000-125, 6000-125E, and 6500-035. Compatible Sundance Models (230V Only): ♨️ All 1997 North American/Export 60 Hz PermaClear Systems (except 2005 880 Series) ♨️ All 1995 Export 50 Hz PermaClear Systems (except 2005 880 Series) ♨️ Mid 2009 680 Series: Burlington, Hartford, Hawthorne (equipped with circ pump) ♨️ Mid 2009 780 Series: Hamilton, Chelsee, Certa, Camden ♨️ All 2005 780 Series ♨️ All 1997 North American 800, 850 Series PermaClear Systems (except 2005 880 Series) Jacuzzi — OEM Replacement (240V-Only Models) This pump is the OEM circulation pump for all 240V-only Jacuzzi J-200 and J-300 series spas built between 2002 and 2011. It replaces Jacuzzi part number 6000-125 (also listed as 6500-035). Compatible Jacuzzi Models (240V Only): ♨️ J-200 Series — 240V-only models (2002–2011) ♨️ J-300 Series — 240V-only models (2002–2011) ♨️ Mid 2009 680 Dover Export 50 Hz Models ⚠️ This pump does NOT work on Jacuzzi or Sundance units that are 120V/240V convertible, regardless of how the hot tub is wired. For convertible models operating at 115V, use the 6050U0015 / 6500-460 (115V, 3/4″ barb) instead. Sweetwater Spas ♨️ All 2003–2004 Sweetwater models (except Lagunas) Other Compatible Spa Brands (230V with 3/4″ Barb Plumbing) ♨️ Dimension One (D1) — 230V models with 3/4″ plumbing ♨️ Dynasty Spas — 230V models ♨️ Cal Spas — 230V models with 3/4″ plumbing ♨️ Santa Barbara Spas — 230V models ♨️ Hot Springs (Watkins) — 230V models with 3/4″ plumbing ♨️ And many other OEM spa manufacturers 230V vs 115V — Same Pump, Different Voltage Feature 6050U0016 (This Pump) — 230V 6050U0015 — 115V Voltage 230V 115V Wattage 65–71W 70W RPM 3,200 3,100 Wiring Hot, Hot, Ground (No Neutral) Hot, Neutral, Ground Connections 3/4″ Barb 3/4″ Barb Max Flow Rate 14 GPM 14 GPM Max Head 20 ft 20 ft Motor / Protection Identical ECM Identical ECM Dimensions 6″ × 4.88″ × 4.31″ 6″ × 4.88″ × 4.31″ Cord 4 ft Bare — INCLUDED 4 ft Bare — INCLUDED �� Both pumps are physically identical with the same ECM motor platform. The ONLY difference is the voltage winding. Choose 230V (this pump) or 115V (6050U0015) based on your spa’s electrical supply. Always check the service tag on your existing pump. Laing E-10 Family — All 230V Models Part Number Voltage Connection HydroQuip # 6050U0016 / 73979 (This Pump) 230V 3/4″ Barb 10-0121 / LHB07100138 6050U0010 / 74079 230V 1″ Barb 10-0123 / LHB07100142 6050U0014 / 73999 230V 3/4″ MPT (Threaded) LHB07100140 Laing E-10 Family — Complete Lineup (115V 230V) Part Number Voltage Connection 6050U0015 / 73989 115V 3/4″ Barb 6050U0016 / 73979 (This Pump) 230V 3/4″ Barb 6050U0011 / 74069 115V 1″ Barb 6050U0010 / 74079 230V 1″ Barb 6050U0013 / 74009 115V 3/4″ MPT 6050U0014 / 73999 230V 3/4″ MPT SM909 and SM1212 230V Series — Replaced By E-10 The Laing E-10 directly replaces ALL previous Laing SM909, SM959, and SM1212 230V series circulation pumps with 3/4″ barb connections. Previous Model Connection Replaced By SM-909-NH-14 230V (3/4″ Barb) 3/4″ Barb E-10 6050U0016 (Direct) SM-909-NHW-14 230V (3/4″ Barb) 3/4″ Barb E-10 6050U0016 (Direct) SM-909-NH-18 230V (3/4″ Barb) 3/4″ Barb E-10 6050U0016 (Direct) SM-909-NHW-18 230V (3/4″ Barb) 3/4″ Barb E-10 6050U0016 (Direct) SM-909-NH-26 230V (3/4″ Barb) 3/4″ Barb E-10 6050U0016 (Direct) SM-909-NHW-26 230V (3/4″ Barb) 3/4″ Barb E-10 6050U0016 (Direct) SM-959-NHW-26 230V (3/4″ Barb) 3/4″ Barb E-10 6050U0016 (Direct) SM-1212-NH-26 230V (3/4″ Barb) 3/4″ Barb E-10 6050U0016 (Direct) SM-303 230V Various E-10 6050U0016 (Direct) �� Alternate Part Numbers & Cross-References Primary Part Numbers Part Number Description 6050U0016 Laing Primary Part Number 73979 Laing Alternate Part Number E10-NSHNDNN2W-02 Laing Full Model Number (Hot Tub Warehouse, Sunplay) E10-NSHN2W-20 Laing Model Number E10-NSHNNN2W-20 Laing Model Number (Alternate) E10-NSHNSW20 Laing Model Number (Alternate — Sundance Version) 733886739794 Primary UPC Code HydroQuip Cross-References Part Number Notes 10-0121 HydroQuip Part Number 10-0121-K HydroQuip Kit Version 10-0121M-K HydroQuip Kit Version (Alternate) LHB07100138 HydroQuip Internal Code Sundance / Jacuzzi Cross-References Part Number Notes 6000-125 Sundance/Jacuzzi Primary OEM Part Number (230V) 6000-125E Sundance/Jacuzzi Export Version 6500-035 Previous Sundance/Jacuzzi Part Number (Replaced by 6000-125) 521-0006 Sundance/Jacuzzi Cross-Reference 6509 Sundance/Jacuzzi 6524 Sundance/Jacuzzi 6920 Sundance/Jacuzzi 6921 Sundance/Jacuzzi 6975 Sundance/Jacuzzi 69750 Sundance/Jacuzzi 301522 Sundance/Jacuzzi 389826 Sundance/Jacuzzi 297247679 Sundance/Jacuzzi 9375 Sundance/Jacuzzi Cross-Reference Previous SM909 / SM959 / SM1212 230V Model Codes Part Number Notes SM-909-NH-14 (230V) SM909 230V — 3/4″ Barb SM-909-NHW-14 (230V) SM909 230V — 3/4″ Barb SM-909-NH-18 (230V) SM909 230V — 3/4″ Barb SM-909-NHW-18 (230V) SM909 230V — 3/4″ Barb SM-909-NH-26 (230V) SM909 230V — 3/4″ Barb SM-909-NHW-26 (230V) SM909 230V — 3/4″ Barb SM-959-NHW-26 (230V) SM959 230V — 3/4″ Barb SM-1212-NH-26 (230V) SM1212 230V — 3/4″ Barb SM909NH-18-240 SM909 230V Model Code SM909NH-240 SM909 230V Model Code LAISM909NH14/23 Laing SM909 230V Code LAISM909NH18342 Laing SM909 230V Code LAISM909NH26240 Laing SM909 230V Code LAISM1212NH2634 Laing SM1212 230V Code LAI-10-117 Laing Industry Code Allied Innovations Cross-References Part Number Notes 6080U0010 Allied / Rec Warehouse UPC Cross-Reference Other Industry Cross-References Part Number Notes 34-158-1452 Industry Part Number 9337-0 Industry Cross-Reference 9338-01 Industry Cross-Reference 9338-11 Industry Cross-Reference 9339-08 Industry Cross-Reference 9339-16 Industry Cross-Reference UPC Cross-References UPC Notes 733886739794 Primary UPC 733886650907 UPC Cross-Reference 733886692006 UPC Cross-Reference 733886692105 UPC Cross-Reference 733886697506 UPC Cross-Reference ��️ Installation Requirements What’s in the Box ✅ Laing E-10 EcoCirc Circulation Pump (230V) ✅ 4-Foot Bare Cord (Pre-Wired) ✅ Built-In Mounting Bracket ❌ Unions / Fittings — NOT INCLUDED (Order Separately If Needed) Mounting Requirement Specification Mounting Position Horizontal, or Vertical with motor end down Bracket Built-in mounting bracket with 4 discharge angle positions Base Solid, level surface Ventilation Side vents must remain clear for motor cooling Access Sufficient clearance for service and maintenance Plumbing Connection Size Suction 3/4″ Barb — Center Discharge 3/4″ Barb — Side Volute Fastening 4 Bolts and 4 Nuts Installation Notes ⚠️ Pump must be installed below water level (flooded suction) to operate properly. ⚠️ Built-in dry run protection will shut down the pump if operated without water — however, always ensure flooded suction before starting. ⚠️ 230V WIRING: 4-foot bare cord requires connection to spa control system. Wire 3 conductors: Hot, Hot, Ground — there is NO neutral wire on 230V. Use the connector from the old circulation pump where applicable. ⚠️ VOLTAGE CHECK: Always check the service tag on the side of the old pump before ordering. Sundance and Jacuzzi spas use the same wire colors (black/white/green) for BOTH 115V and 230V systems — do NOT assume voltage from wire color. ⚠️ Soft start feature provides approximately 3-second gradual startup — this is normal operation, not a fault. ⚠️ Can be mounted horizontally or vertically with the motor end pointing down. Do NOT mount with motor end up. ⚠️ Counter-clockwise rotation when viewed from the motor end — do not attempt to reverse. ⚠️ GFCI protection is required by the National Electrical Code (NEC) for all hot tub and spa installations. ⚠️ Keep motor side vents clear of debris for proper cooling. ⚠️ 230V ONLY — verify your spa’s voltage before ordering. For 115V with 3/4″ barb, order 6050U0015 / 73989. ⚠️ Does NOT work on units that are 120V/240V convertible, regardless of how the hot tub is wired. For convertible models, order the correct voltage-specific pump. �� Maintenance Guide Routine Maintenance Task Frequency Notes Check for leaks Monthly Around barb connections and hose clamps Inspect hose clamps Monthly Tighten if needed Check flow rate Monthly Reduced flow indicates blockage Inspect motor side vents Quarterly Keep clear of debris for cooling Verify quiet operation Quarterly Unusual noise indicates bearing wear Check mounting bracket Quarterly Tighten if loose Clean open impeller area As Needed Remove any debris if flow decreases Warning Signs — Replace Pump If: Unusual noise (grinding, humming, rattling) Motor overheating excessively Reduced or no water flow despite clear suction Motor trips breaker repeatedly Pump fails to start after soft start period Dry run protection activates repeatedly with water present Magnetically Driven Impeller — NO Seal Replacement Needed The Laing E-10 uses a magnetically driven impeller with NO mechanical shaft seal. Unlike conventional shaft-seal circulation pumps (Gecko CMHP, Waterway Iron Might, Balboa) where the seal is the most common failure point, the E-10’s magnetic drive completely eliminates this component. There is no seal to leak, wear out, or replace — ever. �� Ideal Applications Application Suitability Notes ♨️ 24/7 Spa Circulation (230V) ✅ Yes — Primary Use Continuous duty low-flow heater circulation ♨️ Low-Flow Heater Systems ✅ Yes — Primary Use 14 GPM max flow, 20 ft max head ♨️ Sundance PermaClear (230V) ✅ Yes — OEM Replaces 6000-125, 6000-125E, 6500-035 ♨️ Jacuzzi J-200/J-300 (240V Only) ✅ Yes — OEM 2002–2011 240V-only models ♨️ Sweetwater 2003–2004 ✅ Yes — OEM Except Lagunas ♨️ Dimension One (D1) 230V ✅ Yes 230V models with 3/4″ plumbing ♨️ Dynasty Spas 230V ✅ Yes 230V models with 3/4″ plumbing ♨️ Cal Spas 230V ✅ Yes 230V models with 3/4″ plumbing ♨️ Santa Barbara Spas 230V ✅ Yes 230V models ♨️ Replacement SM909/SM1212 230V ✅ Yes — Direct Replaces ALL SM909, SM959, SM1212 230V 3/4″ barb models ♨️ Ozone Treatment Systems ✅ Yes Compatible with ozone injection ♨️ Saltwater Spa Systems ✅ Yes Saltwater compatible �� 120V/240V Convertible Spas ❌ No Does NOT work on convertible models regardless of wiring �� 115V Spa ❌ No — 230V Only Use 6050U0015 / 73989 (115V, 3/4″ barb) �� Spas with 1″ Plumbing ❌ No — Wrong Size Use 6050U0010 / 74079 (1″ barb, 230V) �� Threaded Plumbing ❌ No — Wrong Type Use 6050U0014 / 73999 (3/4″ MPT, 230V) �� 1-1/2″ MBT Plumbing ❌ No Use Gecko Aqua-Flo CMHP for 1-1/2″ connections ❓ Frequently Asked Questions Q: What is the flow rate of this pump? A: Maximum 14 GPM with a maximum head of 20 feet. Designed for continuous 24/7 low-flow heater spa circulation. Q: What is the wattage? A: Authorized retailers list between 60W and 71W depending on the source and motor revision. All values confirm ultra-low energy consumption for continuous 24/7 operation — pennies per day to run. Q: How do I wire this 230V pump? A: The 4-foot bare cord has 3 wires. Connect Hot, Hot, and Ground — there is NO neutral wire on 230V circuits. Use the connector from the old circulation pump where applicable. Have all work performed by a licensed electrician. Q: Does this pump come with a power cord? A: Yes. A 4-foot bare cord is included and pre-wired to the pump. Q: Is this the correct replacement for my Sundance spa? A: If your Sundance spa runs on 230V with 3/4″ barb plumbing and uses a PermaClear circulation system, yes — this is the direct OEM replacement. It replaces part numbers 6000-125, 6000-125E, and 6500-035. Always verify voltage on the service tag of your existing pump. Q: Is this the correct replacement for my Jacuzzi? A: If your Jacuzzi is a J-200 or J-300 series built between 2002 and 2011 that is a 240V-only model, yes. This pump does NOT work on 120V/240V convertible models regardless of how the spa is wired. For convertible models at 115V, use 6050U0015 / 6500-460 instead. Q: My Sundance uses black/white/green wires — is that 115V or 230V? A: Sundance and Jacuzzi use the same wire colors (black, white, green) for BOTH 115V and 230V circuits. Do NOT assume voltage from wire color. Always check the service tag on the side of the pump you are replacing, or check the spa’s control box label. Q: What size are the connections? A: 3/4″ barb inlet (center suction) and 3/4″ barb outlet (side discharge). For spas with 1″ plumbing on 230V, use 6050U0010 / 74079 (1″ barb, 230V). Q: What is the difference between this pump and the 6050U0015? A: They are the identical E-10 pump body and wet end — same motor platform, same protection features, same connections. The ONLY difference is the voltage winding: 6050U0016 is 230V (this pump), 6050U0015 is 115V. Choose based on your spa’s electrical supply. Q: Does this replace the Laing SM909 and SM1212 230V series? A: Yes. The E-10 directly replaces ALL SM909, SM959, and SM1212 230V series models with 3/4″ barb connections, consuming up to 40% less energy. Q: Does this pump have a shaft seal? A: No. The E-10 uses a magnetically driven impeller that completely eliminates the mechanical shaft seal. There is no seal to leak, wear out, or replace. Q: What is dry run protection? A: The E-10 has an embedded microprocessor that automatically detects when the pump is running without water and shuts it down to prevent motor and pump damage. Q: Can I mount this pump vertically? A: Yes. The E-10 can be mounted horizontally or vertically with the motor end pointing down. Do NOT mount with motor end up. Q: Is this pump quiet? A: Yes, extremely. The E-10 operates at under 50 dB — virtually silent during operation. Q: Do I need a GFCI breaker? A: Yes. GFCI protection is required by the National Electrical Code (NEC) for all hot tub and spa installations, including 230V circuits. Q: What warranty is included? A: 1-year manufacturer warranty from Laing Thermotech / Xylem. Contact Parts4Tubs for full warranty terms and support. �� Why Choose the Laing E-10 EcoCirc 6050U0016 ✅ Most Widely Used 230V OEM Spa Circ Pump — Factory-installed by Sundance, Jacuzzi, Sweetwater, Dimension One, Dynasty, Cal Spas, and more ✅ ECM Motor Technology — 40% more energy-efficient than the SM909/SM1212 series it replaces ✅ Built-In Dry Run Protection — Embedded microprocessor prevents costly damage from operating without water ✅ Soft Start Technology — Gradual 3-second startup reduces mechanical stress and extends pump life ✅ Magnetically Driven Open Impeller — NO shaft seal to leak or replace, PLUS clog-resistant design ✅ Whisper-Quiet Operation — Under 50 dB for virtually silent running ✅ 3/4″ Barb Connections — The widest compatibility for 230V spa circulation systems ✅ Direct Sundance / Jacuzzi OEM Replacement — Drop-in for 6000-125, 6000-125E, 6500-035 ✅ Horizontal or Vertical Mounting — Flexible installation with 4 discharge angle positions ✅ 50/60 Hz Compatible — Works on both domestic and international electrical systems ✅ Compact and Lightweight — Under 5 lbs fits tight equipment compartments ✅ 1-Year Manufacturer Warranty — Full coverage for peace of mind �� Why Buy from Parts4Tubs ✅ Fast shipping across the United States ✅ Expert advice from spa and hot tub specialists ✅ Competitive pricing ✅ Full warranty support ✅ Hassle-free returns ✅ Complete Laing E-10 family in stock — all voltages (115V, 230V), all connection types (barb, MPT) ✅ Dedicated customer service team ✨ Summary The Laing E-10 EcoCirc 6050U0016 is the most widely used 230V OEM spa circulation pump, featuring 3/4″ barb connections and advanced ECM technology at just 65–71W. Factory-installed by Sundance (PermaClear 1997 ), Jacuzzi (J-200/J-300 240V-only 2002–2011), Sweetwater, Dimension One, Dynasty, and Cal Spas, this pump directly replaces 6000-125, 6500-035, and all SM909/SM959/SM1212 230V 3/4″ barb models. With built-in dry run protection, soft start, a magnetically driven clog-resistant open impeller with no shaft seal, and a 4-foot bare cord included, order from Parts4Tubs today for fast shipping and expert support. Showing 1 – 5 of 5 results Showing all 5 results Showing the single result No results found Sort by Price low to high Sort by Popularity Sort by Rating Sort by Price low to high Sort by Price high to low Sort by Newness Sort by Name A - Z Sort by Name Z - A Filters Sort results Reset Apply Magic Plastics Union 0602-15 (1.5″ Pump Union) | 1-1/2″S x 1-1/2″FBTUnion, Pump, Magic, 1-1/2"S x 1-1/2"FBT (Industry Standard) w/ O-Ring $6.36 Max: 379 Min: 1 Step: 1 Add to cartMagic Plastics Union 0602-20 (2″ Pump Union) | 2″S x 2″FBT w/ O-RingUnion, Pump, Magic, 2"S x 2"FBT (Industry Standard) w/ O-Ring $8.00 Max: 953 Min: 1 Step: 1 Add to cartWaterway Union 400-6010 | 2-1/2″ Union Nut with 2-1/2″ Slip tailpiece and o-ring (2.5″ union)Union, Pump, Waterway, 2-1/2"FBT x 2-1/2"S $14.77 Max: 135 Min: 1 Step: 1 Add to cart1 Speed Pump / Blower / AMP Cord | 21086Amp Plug, Pump, 1-Speed, 14/3, 4-Pin, 5' Cord, White $24.71 Max: 435 Min: 1 Step: 1 Add to cartBalboa Amp Plug 21087 (For 2 Speed Pumps)Amp Plug, Pump 1 (2-Speed) 14/4, 72" Long, White $31.72 Max: 160 Min: 1 Step: 1 Add to cart Hot Tub Pump Collar & Union Size Chart Hot Tub Pump Collar & Union Size Chart Imperial & Metric Specifications Union Size Collar Size Thread OD Union OD O-Ring Size 1.5" Female ButtressThread (FBT) 2.5" / 64mm (Tip to Tip)Measurement 2-1/2" 64mm 2-13/16" 71mm 2-5/16" OD 59mm 2" Female ButtressThread (FBT) 3.1" / 78mm (Tip to Tip)Measurement 3-1/16" 78mm 3-3/8" 81mm 2-15/16" OD 75mm 2.5" Female ButtressThread (FBT) 3.6" / 91mm (Tip to Tip)Measurement 3-5/8" 91mm 4-1/4" 108mm 3-7/16" OD 87mm Important Notes The union "size" (1.5", 2", 2.5") is nominal and doesn't correspond to any actual measurement. Collar size is measured from thread tip to thread tip on the pump outlet. Most hot tub pumps use Female Buttress Thread (FBT) - 98% of applications. O-ring gaskets may vary between manufacturers - measure your existing gasket for accuracy. How do I Replace a Hot Tub Pump? Here's a general step-by-step guide on how to replace a hot tub pump. Keep in mind that the specific steps may vary depending on your hot tub's make and model, so it's essential to consult your hot tub's manual for model-specific instructions. If you're not comfortable with this procedure, it's a good idea to seek professional assistance. Materials You'll Need: Replacement pump Pipe wrench Adjustable wrench Screwdriver Pipe sealant (thread tape or plumber's putty) PVC primer and cement (if you have PVC plumbing) Teflon tape (for threaded connections) Procedure: Turn Off the Power: Before you begin, ensure the hot tub's power supply is turned off at the circuit breaker or disconnect switch. Safety should always be a priority when working with electrical components. Drain the Hot Tub: If your hot tub is not already empty, you'll need to drain it. Follow your hot tub's manual or manufacturer's instructions for proper draining. (You might not need to do this if you can lock the pump off with the gate valves) Locate the Pump: Identify the location of the existing pump in your hot tub. It's usually located near the equipment area or in a designated pump compartment. Disconnect the Electrical Wiring: Carefully disconnect the electrical wiring from the old pump. This typically involves removing the electrical conduit cover, unscrewing wire nuts, and disconnecting the wires from the terminals. Be sure to note the wire connections or take a picture for reference when connecting the new pump. Disconnect the Plumbing: Depending on your hot tub's plumbing setup, you'll need to disconnect the plumbing connections to the pump. Use a pipe wrench or adjustable wrench to loosen and remove the fittings. Be prepared for some water spillage when disconnecting the plumbing. Remove the Old Pump: Once the electrical and plumbing connections are detached, carefully remove the old pump from its mounting position. Some pumps may be secured with mounting brackets or bolts. Prepare the New Pump: If the new pump is not pre-assembled, you may need to attach fittings, unions, or adapters to match your hot tub's plumbing. Ensure that you use the appropriate sealant or Teflon tape on threaded connections to prevent leaks. Mount the New Pump: Position the new pump in the same location as the old one and secure it in place using the mounting brackets or bolts. Reconnect Plumbing: Reconnect the plumbing to the new pump, ensuring that all connections are tight and secure. If your hot tub uses PVC plumbing, use PVC primer and cement to bond the connections properly. Reconnect Electrical Wiring: Reconnect the electrical wiring to the new pump, following the notes or pictures you took earlier. Make sure all wires are properly connected and secure. Turn On the Power: Restore power to the hot tub by switching on the circuit breaker or reconnecting the disconnect switch. Test the Pump: Turn on the hot tub's pump to ensure that it's working correctly. Check for any signs of leaks or irregularities in the plumbing connections. Refill the Hot Tub: Once you've confirmed that the new pump is functioning properly, refill the hot tub with water. Check for Leaks: Inspect the plumbing connections for any leaks. If you find any, turn off the pump, drain the tub again, and reseal the connections as needed. Monitor: Keep an eye on the pump and plumbing for the next few days to ensure everything is functioning correctly and that there are no further issues. Remember that this is a general guideline, and the specific steps may vary based on your hot tub's design. If you're unsure or uncomfortable with any aspect of this process, please do get in touch, happy to help. How do I know what size hot tub pump I have? Determining the size of your hot tub pump is an important step when it comes to maintenance or replacement. To find out the size of your hot tub pump, follow these steps: Check the Manual: The easiest way to determine the size of your hot tub pump is to consult the owner's manual or user documentation that came with your hot tub. The manual typically contains detailed information about the specifications and components of your hot tub, including the pump. Look at the Pump Housing: If you don't have access to the manual or it doesn't provide the information you need, inspect the pump itself. Most hot tub pumps have a label or plate on the pump housing that displays essential details, including the pump's model number, manufacturer, and specifications. You can then send that to me or Google it. Measure the Pump: If the label is missing or damaged, you can measure the pump's dimensions. Measure the diameter of the pump's wet end (the part where the water flows) and the length of the wet end. These measurements can help identify the size and capacity of the pump. Consult the Manufacturer: If you can't find the information on the pump or in the manual, contact the hot tub manufacturer or a reputable dealer. Provide them with your hot tub's model and serial number, and they should be able to identify the correct pump size for your specific hot tub. Online Research: You can also search online using the pump's model number or hot tub's make and model. Many manufacturers provide detailed information about their products on their websites, and you may find specifications for your pump model. Once you have determined the size and specifications of your hot tub pump, you can proceed with maintenance, repairs, or replacement if necessary. Keep in mind that replacing a hot tub pump with the same size and capacity as the original is crucial to ensure proper water circulation and filtration in your hot tub. If you're unsure about any aspect of this process, get in touch, always happy to help.

Laing E-10 EcoCirc 6050U0016 Spa Circulation Pump – 230V 3/4″ Barb

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