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Laing E10 Spa Circulation Pump — 1/40 HP 115V 3/4″ MPT Threaded | 74009

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⚙️ Laing E10 Spa Circulation Pump — 1/40 HP 115V 3/4″ MPT Threaded | 74009 ECM-powered sealless circulation with threaded connections for permanent, leak-free plumbing installations �� Product Overview The Laing E10 (74009) is a 115V, single-speed circulation pump with 3/4″ MPT (Male Pipe Thread) connections — the threaded version of the industry-standard Laing E10 series. While the barb versions (73989 and 6500-460) connect to vinyl tubing with hose clamps, this model features 3/4″ male threaded ports (measuring approximately 1″ OD) that screw directly into PVC fittings or union adapters for a permanent, secure plumbing connection. Powered by the same high-efficiency Electronically Commutated (EC) permanent magnet spherical motor as all E10 models, this pump draws only 62 watts at 3,100 RPM while consuming 40% less energy than the previous SM-909 and SM-1212 induction motor series. The patented sealless, shaftless design uses a magnetically driven open impeller made from durable PPO (Polyphenylene Oxide) — there is no mechanical seal to leak, wear, or replace. A high-density ceramic ball bearing and graphite impeller bearing cap ensure smooth, ultra-quiet operation at less than 40 dB. Built-in dry run protection with automatic retry, overload protection, and soft start (approximately 3 seconds) safeguard the motor and electrical system. The integrated thermoplastic bracket mounts at 4 different discharge angles, and the pump installs horizontally or vertically (motor end down). Includes a 4-foot power cord and mounting bracket. The 74009 is used as OEM equipment in Sundance, LA Spas, Atlantic Coast, Dimension One, Gatsby, Hawkeye, Royal Spas, Saratoga Spas, and Hot Springs, and replaces all older threaded SM-909-NTW and SM-1212-NTW series pumps. ⚠️ Unions NOT Included: This pump is sold without unions (“Less Unions” per manufacturer). If your installation requires union connections for easy pump removal, purchase compatible 3/4″ MPT unions separately. Use Teflon tape or thread sealant on all threaded connections to prevent leaks. �� 74009 vs. 73989 vs. 6500-460: All three are the same Laing E10 pump with the same motor and internals. The only difference is the connection type: 74009 = 3/4″ MPT threaded, 73989 = 3/4″ barb, 6500-460 = 3/4″ barb (Sundance/Jacuzzi OEM designation). Choose based on your plumbing type. ⭐ Key Features ✅ 3/4″ MPT Threaded Connections — Male pipe thread intake and discharge for permanent PVC plumbing installations ✅ ECM Permanent Magnet Motor — 62 watts at 3,100 RPM — 40% less energy than SM-909/SM-1212 predecessors ✅ Sealless, Shaftless, Leak-Proof — Patented magnetically driven design — no mechanical seal to leak or replace ✅ PPO Open Impeller — Polyphenylene Oxide construction — clog resistant, dynamically balanced ✅ Dry Run Protection — Embedded microprocessor shuts pump down if no water detected, retries automatically ✅ Whisper-Quiet — Less than 40 dB — virtually silent 24/7 continuous operation ✅ Rotatable Bracket — 4 Positions — Integrated thermoplastic bracket mounts at 4 different discharge angles ✅ Automatic Overload Protection — Built-in motor protection against electrical overload ✅ 90% Heat Transfer — Motor heat transferred into spa water, not wasted to air ✅ 4′ Power Cord & Mounting Bracket Included — Ready to install out of the box ✅ Universal Threaded Replacement — Direct replacement for all SM-909-NTW and SM-1212-NTW series pumps ✅ 1-Year Manufacturer’s Warranty — Full warranty coverage �� Technical Specifications Specification Value Manufacturer Laing / Xylem / Goulds Series E10 (Ecocirc) Part Number 74009 Laing Model E10-NSTNNN1W-19 (also E10-NSTN1W-19) Laing OEM Number 6050U0013 Pump Type Circulation Pump — Single Speed Motor Type ECM — Electronically Commutated AC/DC/AC Spherical Motor — Permanent Magnet Horsepower 1/40 HP Input Power 62 watts (115V / 60Hz) Voltage 115V Frequency 60 Hz Amperage 0.95A RPM 3,100 Flow Rate (Max) 15 GPM Connection Type 3/4″ MPT (Male Pipe Thread) — intake and discharge Connection OD Approximately 1″ (outer diameter of threaded portion) Suction Center suction Discharge Side discharge Rotation Counter-clockwise (viewed from motor end) Impeller Type Open — PPO (Polyphenylene Oxide) — magnetically driven — clog resistant Bearing High-density ceramic ball bearing Impeller Bearing Cap Graphite Seal None — patented sealless, shaftless design Wet End Thermoplastic Volute Fastening 4 bolts / 4 nuts Maximum Temperature 140°F (60°C) Mounting Horizontal or vertical (motor end down) — bracket mounts at 4 discharge angles Weight Less than 5 lbs Noise Level Less than 40 dB Cord ✅ 4′ (48″) power cord INCLUDED — terminated ends Mounting Bracket ✅ INCLUDED — integrated thermoplastic bracket Unions ❌ NOT included — “Less Unions” — purchase separately if needed Dry Run Protection ✅ Embedded microprocessor — auto-shutdown with retry Overload Protection ✅ Automatic motor overload protection Soft Start ✅ Approximately 3 seconds Heat Transfer 90% of motor heat transferred into water Duty Cycle Continuous — designed for 24/7 operation Warranty 1-year manufacturer’s warranty ⚡ Electrical Requirements Electrical Spec Requirement Supply Voltage 115V Frequency 60 Hz Phase Single Phase Amperage 0.95A Input Wattage 62W RPM 3,100 Cord 4′ (48″) — terminated ends — INCLUDED Motor Type ECM AC/DC/AC Spherical — Permanent Magnet Overload Protection Automatic — built-in ⚠️ IMPORTANT: This is a 115V pump ONLY. For 230V spa systems, use the 73999 (230V, 3/4″ MPT threaded version). Always verify the voltage on your existing pump label before ordering. Using the wrong voltage will damage the motor. ⚠️ ELECTRICAL SAFETY: All electrical installations must be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and local building codes. Hot tubs require GFCI (Ground-Fault Circuit Interrupter) protection. A dedicated circuit is required — do not share with other appliances. �� Compatibility Guide Compatible Spa Brands — Confirmed Brand Compatibility Notes Sundance Spas ✅ Confirmed 115V models with threaded circ pump connections LA Spas ✅ Confirmed 115V models with threaded circ pump connections Atlantic Coast ✅ Confirmed Per HotTubOutpost Dimension One (D1) ✅ Confirmed 115V models with threaded connections Gatsby Spas ✅ Confirmed Per HotTubOutpost Hawkeye ✅ Confirmed Per HotTubOutpost Royal Spas ✅ Confirmed Per HotTubOutpost Saratoga Spas ✅ Confirmed Per HotTubOutpost Hot Springs ✅ Confirmed 115V models with threaded connections Cal Spa ✅ Customer confirmed Per Hot Tub Warehouse reviews Any spa with 115V 3/4″ MPT circ pump ✅ Universal fit Same voltage and thread type This Pump Replaces — SM-909-NTW / SM-1212-NTW Threaded Series The Laing E10 74009 is the current-production replacement for all discontinued threaded SM-909-NTW and SM-1212-NTW series circulation pumps. If your existing pump has an SM-909-NTW or SM-909-NT part number, this E10 is the correct replacement. Original Model Cord Length This E10 Replaces It SM-909-NTW-14 3/4″ 115V 14″ cord ✅ Yes SM-909-NT-14 3/4″ 115V 14″ cord ✅ Yes SM-909-NTW-18 3/4″ 115V 18″ cord ✅ Yes SM-909-NT-18 3/4″ 115V 18″ cord ✅ Yes SM-909-NTW-26 3/4″ 115V 26″ cord ✅ Yes SM-909-NT-26 3/4″ 115V 26″ cord ✅ Yes SM-1212-NTW-26 3/4″ 115V 26″ cord ✅ Yes SM-1212-NT-26 3/4″ 115V 26″ cord ✅ Yes �� NTW = Threaded, NHW = Barb: If your old pump has NTW or NT in the model number, it uses threaded connections — choose 74009. If it has NHW or NH, it uses barb connections — choose 73989 instead. Plumbing Compatibility — Connection Type Is Critical Your Existing Connection This Pump Notes 3/4″ MPT (threaded) ✅ Direct fit Screws into 3/4″ female PVC fittings or unions 3/4″ barb ❌ Wrong type Use Laing E10 73989 (115V, 3/4″ barb) instead 1″ barb ❌ Wrong type and size Use Laing E10 74069 (115V, 1″ barb) instead 1-1/2″ MBT threaded ❌ Wrong size Different thread type and size Laing E10 Family — All 115V & 230V Variants Part Number Voltage Connection Notes 74009 115V 3/4″ MPT (threaded) ✅ THIS PUMP 73989 115V 3/4″ Barb Same pump — barb connections 74069 115V 1″ Barb Same pump — 1″ barb connections 6500-460 115V 3/4″ Barb Same as 73989 — Sundance/Jacuzzi OEM 73999 230V 3/4″ MPT (threaded) 230V threaded version 73979 230V 3/4″ Barb 230V barb version 74079 230V 1″ Barb 230V, 1″ barb LHB07100138 230V 3/4″ Barb 230V barb — Sundance 230V OEM �� Alternate Part Numbers Primary Part Numbers Part Number Notes 74009 Laing primary part number (THIS PUMP) 6050U0013 Laing OEM manufacturer number E10-NSTNNN1W-19 Laing model number E10-NSTN1W-19 Laing model revision E10NSTN1W19 / E10NSTNNN1W19 Laing format without hyphens LBH07100141 / LHB07100141 Laing catalog reference HydroQuip Cross-References Part Number Notes 10-0124 / 10-0124-K HydroQuip catalog number for threaded E10 Industry / Distributor Cross-References Part Number Notes 1-00-0171A Industry cross-reference 9338-20 Laing catalog number 34-158-1454 Industry cross-reference (threaded specific) 15-375-1005 Industry cross-reference 313662 Cross-reference 611124 Laing reference Laing Numeric Cross-References (Threaded Specific) Part Number Notes 6831 / 6845 / 6850 / 6918 Older Laing threaded model references 733886683103 / 733886684506 / 733886685008 UPC / barcode references Older SM-909-NTW / SM-1212-NTW Threaded Models This Pump Replaces Part Number Description SM-909-NTW-14 SM-909 threaded, 14″ cord — replaced by this E10 SM-909-NT-14 SM-909 threaded, 14″ cord variant SM-909-NTW-18 SM-909 threaded, 18″ cord SM-909-NT-18 SM-909 threaded, 18″ cord variant SM-909-NTW-26 SM-909 threaded, 26″ cord SM-909-NT-26 SM-909 threaded, 26″ cord variant SM-1212-NTW-26 SM-1212 threaded, 26″ cord SM-1212-NT-26 SM-1212 threaded, 26″ cord variant SM909NTW-14 / SM909NTW-18 / SM909NTW-26 SpaCare format references Shared General Cross-References (All E10 Variants) The following part numbers appear across multiple E10 connection types in distributor databases. They may cross-reference to both barb and threaded versions. Always verify your connection type before ordering. Part Number Notes 34-158-1450 General E10 cross-reference (verify connection type) 6080U0027 Laing model variant (verify connection type) LHB07100139 Shared catalog reference (verify connection type) SilentFlo 5000 Watkins branded name (verify connection type) Grundfos Replacement Alternative Part Number Notes 10-0139-KIT Grundfos 3-speed universal kit (115V) — uses barb connections with adapters LX Lower-Cost Alternative Part Number Notes WE10-120V LX brand — barb connections — adapters needed for threaded plumbing ��️ Installation Requirements What’s in the Box Item Included Notes Laing E10 circulation pump ✅ Yes Complete pump assembly with integrated bracket 4′ (48″) power cord ✅ Yes Terminated ends Mounting bracket ✅ Yes Integrated thermoplastic — 4 discharge angle positions Unions ❌ NOT included “Less Unions” — purchase separately if needed Mounting Requirement Specification Mounting Position Horizontal OR vertical (motor end down ONLY) Mounting Method Integrated bracket — 4 rotatable discharge positions Do NOT Mount Motor end UP — only horizontal or motor end down Access Allow clearance for cord connections and maintenance Plumbing Connection Size Notes Intake (suction) 3/4″ MPT (center suction) Screws into 3/4″ female PVC fitting Discharge 3/4″ MPT (side discharge) Screws into 3/4″ female PVC fitting Thread OD Approximately 1″ Physical outer diameter of threaded portion Sealant Teflon tape or thread sealant Apply to all threaded connections Installation Notes ⚠️ Verify Connection Type: This pump uses 3/4″ MPT (Male Pipe Thread) connections — NOT barb connections. Confirm your existing pump uses threaded connections before ordering. If your current pump uses barb connections, choose 73989 instead. ⚠️ Unions NOT Included: If you need union connections for easy future pump removal, purchase compatible 3/4″ MPT unions separately. ⚠️ Thread Sealant Required: Apply Teflon tape or thread sealant to all male threaded connections before installation to prevent leaks. ⚠️ Bracket Orientation: The integrated bracket mounts at 4 different discharge angles. Rotate to align with your existing plumbing before securing. ⚠️ First Startup: The pump features a soft start (approximately 3 seconds). The impeller may rotate slowly at first until water penetrates the bearings — this is normal. ⚠️ Dry Run Protection: If the pump detects no water, it shuts down automatically and retries. If cycling repeatedly, check for air locks or plumbing obstructions. ⚠️ Motor Orientation: Horizontal or vertical with motor end DOWN only. Never mount with motor end up. ⚠️ Maximum Water Temperature: 140°F (60°C). Do not exceed. ⚠️ GFCI Protection Required: All spa installations require GFCI protection per the NEC. ⚠️ Bonding & Grounding Required: Per NEC requirements. �� Maintenance Guide Routine Maintenance Task Frequency Notes Check for water flow Monthly Verify circulation is active Inspect threaded connections Monthly Check for leaks — re-apply Teflon tape if needed Listen for unusual noise Monthly Should be nearly silent (less than 40 dB) Inspect cord and connections Quarterly Check terminated ends and cord condition Check mounting bracket Quarterly Ensure pump is secure Verify GFCI operation Monthly Press test button to check Warning Signs — Replace Pump If: Pump fails to start or hums without rotation Unusual noise (clicking, grinding, buzzing) No water circulation despite pump running Motor trips breaker or GFCI repeatedly Pump vibrating excessively Dry run protection cycling repeatedly (indicates plumbing issue — if plumbing is clear, pump may need replacement) Error codes on spa controller related to circulation (FL1, FLO, etc.) Sealless Design Advantage The Laing E10’s patented sealless, shaftless design means there is no mechanical shaft seal — the single most common failure point in traditional circulation pumps. The magnetically driven impeller eliminates this potential leak path entirely. If water leaks from this pump, it indicates a cracked wet end housing or a failed threaded connection — not a seal issue. Check thread sealant and retighten connections before assuming pump failure. �� Ideal Applications Application Suitability Notes ♨️ 115V spa with 3/4″ threaded circ pump ✅ Yes — Primary use Direct replacement for threaded connections ♨️ SM-909-NTW / SM-1212-NTW replacement ✅ Yes — Direct upgrade All threaded SM-909/SM-1212 models ♨️ Sundance 115V threaded circ pump ✅ Yes — Confirmed Per HotTubOutpost ♨️ LA Spas circ pump ✅ Yes — Confirmed Per HotTubOutpost ♨️ Dimension One circ pump ✅ Yes — Confirmed 115V threaded models ♨️ Gatsby / Hawkeye / Royal Spas ✅ Yes — Confirmed Per HotTubOutpost ♨️ Hot Springs / Saratoga circ pump ✅ Yes — Confirmed 115V threaded models ♨️ Cal Spa circ pump ✅ Yes — Customer confirmed Per Hot Tub Warehouse reviews ♨️ Low-flow heater circulation ✅ Yes — Designed for Maintains flow through heater assembly ♨️ 230V spa systems ❌ No — Wrong voltage Use 73999 (230V, 3/4″ MPT) ♨️ Spas with 3/4″ barb connections ❌ No — Wrong type Use 73989 (115V, 3/4″ barb) ♨️ Spas with 1″ barb connections ❌ No — Wrong size and type Use 74069 (115V, 1″ barb) ❓ Frequently Asked Questions Q: What is the difference between 74009 and 73989? A: The only difference is the connection type. The 74009 has 3/4″ MPT (Male Pipe Thread) connections that screw into PVC fittings. The 73989 has 3/4″ barb connections that push into vinyl tubing. Both share the same motor, internals, performance, and specifications. Choose based on your plumbing type. Q: How do I know if I need threaded or barb connections? A: Look at your existing pump. If the intake and discharge ports have screw threads, you need the 74009 (threaded). If they have smooth nipples that push into tubing, you need the 73989 (barb). Also check your old pump’s model number: NTW or NT = threaded (74009), NHW or NH = barb (73989). Q: Are unions included? A: No — unions are NOT included (“Less Unions” per manufacturer). If your installation requires union connections for easy pump removal, purchase compatible 3/4″ MPT unions separately. Q: What spas use this pump? A: The 74009 is used across many brands including Sundance, LA Spas, Atlantic Coast, Dimension One, Gatsby, Hawkeye, Royal Spas, Saratoga, and Hot Springs. It fits any spa using a 115V circulation pump with 3/4″ MPT threaded connections. Q: Will this replace my old SM-909-NTW pump? A: Yes — the Laing E10 74009 is the current-production replacement for all discontinued threaded SM-909-NTW and SM-1212-NTW series circulation pumps. No plumbing modification necessary. Q: Does this pump have a shaft seal? A: No — the Laing E10 uses a patented sealless, shaftless design with a magnetically driven impeller. There is no mechanical seal to leak or replace. Q: Is a cord included? A: Yes — a 4-foot (48″) power cord is included with terminated ends. A mounting bracket is also included. Unions are NOT included. Q: Can I mount this pump vertically? A: Yes — horizontal or vertical with motor end down only. The bracket can be mounted at 4 different discharge angles to align with your plumbing. Q: How quiet is this pump? A: Very quiet — rated at less than 40 dB. Virtually silent during 24/7 operation. Q: What is the maximum flow rate? A: Up to 15 GPM depending on plumbing conditions and system back-pressure. Q: Do I need Teflon tape on the threads? A: Yes — apply Teflon tape or thread sealant to all male threaded connections before installation to prevent leaks at the threaded joints. Q: My existing pump is 230V — can I use this? A: No — this is 115V only. For 230V spa systems with 3/4″ threaded connections, use the 73999 (230V, 3/4″ MPT). Q: Do I need a GFCI breaker? A: Yes — GFCI protection is required by the NEC for all hot tub and spa installations. Q: What warranty is included? A: 1-year manufacturer’s warranty. Contact Parts4Tubs for full terms. �� Why Choose the Laing E10 74009 ✅ 3/4″ MPT Threaded Connections — Permanent, secure plumbing — screws directly into PVC fittings ✅ Universal Threaded Fit — Works across Sundance, LA Spas, D1, Gatsby, Hot Springs, and many more ✅ ECM Permanent Magnet Motor — 62 watts at 3,100 RPM — 40% less energy than predecessors ✅ Patented Sealless Design — No mechanical seal — no leak path — nothing to replace ✅ PPO Open Impeller — Durable Polyphenylene Oxide — clog resistant and dynamically balanced ✅ 15 GPM Maximum Flow — Higher capacity than many comparable circulation pumps ✅ Built-In Protections — Dry run protection with auto-retry, overload protection, and soft start ✅ 90% Heat Transfer — Motor heat warms spa water instead of wasting to air ✅ Whisper-Quiet — Less than 40 dB — virtually silent 24/7 operation ✅ Rotatable 4-Position Bracket — Adapts to any plumbing layout ✅ 4′ Cord & Bracket Included — Ready to install (unions sold separately) ✅ Direct SM-909-NTW Upgrade — Drop-in replacement for all threaded SM-909/SM-1212 models ✅ Proven Reliability — Laing (Xylem) — world-renowned pump manufacturer ✅ 1-Year Manufacturer’s Warranty — Full warranty coverage �� 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 ✅ Union adapters, Teflon tape, and plumbing accessories available ✅ Dedicated customer service team ✨ Summary The Laing E10 (74009) is a 115V, 1/40 HP, 0.95A circulation pump with 3/4″ MPT (Male Pipe Thread) connections — the threaded version of the industry-standard E10 series for spas with permanent PVC plumbing. Features the same high-efficiency ECM permanent magnet spherical motor drawing only 62 watts at 3,100 RPM (40% less energy), delivering up to 15 GPM, with patented sealless, shaftless, leak-proof design. PPO open impeller with ceramic ball bearing and graphite bearing cap, built-in dry run protection, overload protection, and soft start. Less than 40 dB, less than 5 lbs, with rotatable 4-position bracket. Includes 4′ power cord and bracket — unions NOT included. Center suction, side discharge, counter-clockwise rotation. Compatible with Sundance, LA Spas, Atlantic Coast, Dimension One, Gatsby, Hawkeye, Royal Spas, Saratoga, Hot Springs, Cal Spa, and any 115V spa with 3/4″ threaded circulation pump connections. Directly replaces all SM-909-NTW and SM-1212-NTW threaded series pumps. 1-year manufacturer’s warranty. Available now at Parts4Tubs.

Laing E10 Spa Circulation Pump — 1/40 HP 115V 3/4″ MPT Threaded | 74009

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