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LX Lingxiao WCA50 Spa Circulation Pump – 0.5 HP Single Speed (USA Version)

$ 94.42

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�� LX Lingxiao WCA50 Spa Circulation Pump – 0.5 HP Single Speed (USA Version) Reliable 24/7 Water Circulation for Crystal Clear Spa Water �� Product Overview The LX Lingxiao WCA50 is a compact, single-speed circulation pump specifically engineered for continuous 24/7 operation in hot tubs and whirlpool baths. Rated at 0.5 HP (input power), this pump delivers consistent water flow to maintain crystal clear, well-filtered spa water around the clock. Originally designed as an OEM circulation pump for Platinum Spas (by Superior Wellness), the WCA50 is also found in numerous whirlpool bath models from various manufacturers worldwide. Built by Lingxiao (LX), one of China’s leading spa pump manufacturers, the WCA50 features a thermally protected motor, a rotatable wet end for flexible plumbing configurations, and center discharge design with 1-1/2″ Male Buttress Thread (MBT) union connections. The pump operates on standard US 110-120V/60Hz power with a NEMA cord, making it a straightforward drop-in replacement for compatible spa systems. Its compact footprint and lightweight construction (approximately 9.9 lbs) ensure easy integration into tight equipment bays. ⭐ Key Features ✅ 0.5 HP Single-Speed Motor – Input power of 0.37 kW drives reliable, consistent water circulation for filtration and heating cycles ✅ 24/7 Continuous Duty Rating – Designed for non-stop operation to keep spa water filtered, heated, and clear at all times ✅ Center Discharge Configuration – Efficient center suction and center discharge design for optimized water flow ✅ 1-1/2″ MBT Union Connections – Male Buttress Thread fittings with 2-3/8″ outside diameter on both suction and discharge ports ✅ Rotatable Wet End – Wet end can be rotated to accommodate multiple plumbing setups, simplifying installation in various equipment configurations ✅ Thermally Protected Motor – Built-in thermal overload protection prevents motor overheating, ensuring safe and long-lasting performance ✅ 110-120V / 60Hz US Standard – NEMA cord for direct connection to US electrical systems ✅ Built-in Air Switch – Includes an integrated air switch for on/off control (note: not used in all installations) ✅ Compact & Lightweight – Approximately 14.4 x 6.1 x 9.1 inches and only 9.9 lbs for easy handling and installation ✅ IPX4 Water Protection Rating – Motor housing designed to resist water splashing from all directions ✅ High Flow Capacity – Maximum flow rate of approximately 71 GPM (270 liters/min) for thorough water circulation ⚙️ Technical Specifications Specification Value Pump Type Circulation Pump Motor Input Power (P1) 0.5 HP / 0.37 kW Motor Output Power (P2) 0.33 HP / 0.25 kW Speed Settings Single Speed (1-Speed) Motor Speed 3,450 RPM Maximum Flow Rate ~71 GPM (270 l/min) Maximum Head ~24.6 ft (7.5 m) Maximum Working Pressure ~43.5 PSI (0.3 MPa) Voltage 110-120V Frequency 60 Hz Phase Single Phase Amperage 4.0A (manufacturer rated) Cord Type NEMA Frame Size 80 (LX proprietary designation) Suction Port 1-1/2″ Male Buttress Thread (MBT) Discharge Port 1-1/2″ Male Buttress Thread (MBT) Union O.D. 2-3/8″ Port Position Center Suction / Center Discharge Fitting Size 48.5mm or 50mm Dimensions (L x W x H) 14.4 x 6.1 x 9.1 in (365 x 155 x 230 mm) Weight ~9.9 lbs (4.5 kg) Insulation Class Class B Protection Rating IPX4 Thermal Protection Yes (built-in thermal overload protector) Motor Duty Continuous Medium Temperature Range 41°F – 122°F (5°C – 50°C) Wet End Rotation Yes (rotatable for multiple plumbing configurations) ⚡ Electrical Requirements Electrical Spec Requirement Supply Voltage 110-120V Frequency 60 Hz Phase Single Phase Full Load Amps 4.0A (manufacturer rated) Cord Type NEMA plug ⚠️ IMPORTANT ELECTRICAL SAFETY INFORMATION: Hot tubs and spas require GFCI (Ground Fault Circuit Interrupter) protection as mandated by the NEC. A dedicated circuit is required — do not share the circuit with other appliances. Verify that your existing electrical supply matches the pump’s voltage requirement (110-120V / 60Hz) before installation. Ensure proper grounding and bonding per NEC requirements. �� Compatibility Guide This Pump: �� Frame Size: 80 (LX proprietary) �� Suction: 1-1/2″ MBT (Center) �� Discharge: 1-1/2″ MBT (Center) �� Union O.D.: 2-3/8″ �� Voltage: 110-120V / 60Hz OEM Application: Platinum Spas (by Superior Wellness) — original factory circulation pump Also Used In: Various whirlpool bath models from multiple manufacturers (verify part number and specifications before ordering) Alternate / Cross-Reference Part Numbers: Part Number Source WCA50 LX Lingxiao (manufacturer SKU) PMP-WCA50-USA Superior Wellness / Opentip 34-343-1096 Hydropool.com / Parts4Tubs reference Alternative / Similar Pumps: Balboa / Vico Power WOW 0.5 HP, 115V, 1-1/2″ Union (noted by Hot Tub Parts of America as an alternative if WCA50 is unavailable) ⚠️ Important: Always match your existing pump’s frame size, voltage, port sizes, union O.D., and discharge configuration before ordering a replacement. If uncertain, contact Parts4Tubs for compatibility assistance. ��️ Installation Requirements Mounting: Requirement Specification Mounting Position Horizontal (standard) Base Solid, level, vibration-dampening surface Ventilation Ensure adequate airflow around the motor for cooling Access Allow sufficient clearance for maintenance and union access Plumbing: Connection Size Suction 1-1/2″ MBT Discharge 1-1/2″ MBT Union O.D. 2-3/8″ Installation Notes: ⚠️ Pump must be installed below water level (flooded suction) to ensure proper priming. ⚠️ Never run the pump dry — dry operation causes rapid seal and impeller damage. ⚠️ Ensure proper grounding and bonding per NEC requirements. ⚠️ GFCI protection is required by code for all hot tub and spa installations. ⚠️ The wet end can be rotated to match your existing plumbing orientation — loosen the volute bolts, rotate to the desired position, and re-tighten. ⚠️ Air Switch Note: This pump includes a built-in air switch. If your spa does not use the air switch and the pump does not start when energized, activate the air switch once to set it to the closed (on) position. After that, the pump will operate normally from your spa control system. ⚠️ The barb fittings can be drilled out if your application requires a different connection method. �� Maintenance Guide Routine Maintenance: Task Frequency Notes Check for leaks Monthly Inspect around the shaft seal area and union connections Inspect union connections Monthly Tighten union nuts if any signs of dripping Clean strainer/filter basket As needed Remove debris to maintain proper flow Check motor amperage Annually Should read approximately 4.0A under load Inspect motor ventilation Quarterly Keep motor vents clear of dust, debris, and insulation Check mounting hardware Quarterly Tighten if vibration has loosened bolts Warning Signs — Replace Pump If: Unusual noise such as grinding, screeching, or rattling Water leaking from the shaft seal area Motor trips the circuit breaker repeatedly Noticeably reduced water flow through the circulation system Motor overheating or shutting down on thermal protection frequently Visible corrosion or cracking on the volute or wet end Seal Replacement: �� If the pump is leaking from the shaft seal area, the mechanical seal may need replacement. Contact Parts4Tubs for the correct replacement seal for the LX WCA50. ⚠️ Replace the seal at the first sign of leakage to prevent motor damage from water intrusion. �� Ideal Applications Application Suitability Notes ♨️ Spa/Hot Tub Circulation ✅ Yes Primary application — designed for continuous 24/7 filtration circulation �� Whirlpool Bath ✅ Yes Widely used in whirlpool bath models from various manufacturers ♨️ Hot Tub Jet Pump ❌ No This is a circulation pump, not a high-powered jet pump ❓ Frequently Asked Questions Q: What horsepower is this pump? A: The LX WCA50 has an input power rating (P1) of 0.5 HP (0.37 kW) and an output power rating (P2) of 0.33 HP (0.25 kW), as confirmed by the LX manufacturer specification sheet. Q: Will this fit my hot tub? A: This pump was originally designed for Platinum Spas (Superior Wellness). To determine compatibility with your spa, check your existing pump’s port sizes (should be 1-1/2″ MBT), union outside diameter (should be 2-3/8″), voltage (should be 110-120V), and discharge configuration (center discharge). Contact Parts4Tubs if you need assistance verifying fitment. Q: What voltage does this pump require? A: 110-120V / 60Hz. This is the standard US household voltage. All electrical installation must be performed by a licensed electrician. Q: Is this a single or dual speed pump? A: This is a single-speed pump designed for continuous 24/7 circulation duty. Q: What size are the ports? A: Both suction and discharge ports are 1-1/2″ Male Buttress Thread (MBT) with a 2-3/8″ outside diameter union connection, in a center suction / center discharge configuration. Q: How do I know if my pump needs replacing? A: Common signs include unusual noise (grinding or screeching), water leaking from the seal area, reduced flow, motor tripping the circuit breaker, or the motor frequently shutting down due to overheating. Q: Do I need a GFCI breaker? A: Yes. GFCI (Ground Fault Circuit Interrupter) protection is required by the National Electrical Code (NEC) for all hot tub and spa installations. Q: What is the air switch on this pump? A: The WCA50 includes a built-in air switch for on/off control. If your spa’s control system manages the pump electronically and does not use the air switch, you may need to manually activate the switch once to put it in the closed position so the pump can operate normally. Q: Can the wet end be rotated? A: Yes. The wet end on the WCA50 can be rotated to accommodate different plumbing orientations, making it easier to match your existing plumbing setup. Q: What is the maximum flow rate? A: The manufacturer-rated maximum flow rate is approximately 71 GPM (270 liters per minute) with a maximum head of approximately 24.6 feet (7.5 meters). �� Why Choose the LX WCA50 ✅ Proven OEM Quality – Factory-installed in Platinum Spas and whirlpool baths worldwide, backed by Lingxiao’s reputation as a leading pump manufacturer ✅ Continuous Duty Design – Built specifically for 24/7 operation with thermal overload protection for maximum reliability and motor longevity ✅ Flexible Installation – Rotatable wet end and center discharge design accommodate a wide range of plumbing configurations without additional adapters ✅ Efficient Performance – Delivers up to 71 GPM of circulation flow while drawing only 4.0 amps, keeping energy costs low during continuous operation ✅ Compact Footprint – At just 14.4 x 6.1 x 9.1 inches and 9.9 lbs, it fits easily into tight spa equipment bays ✅ Built-in Safety Features – Thermal overload protection, IPX4 water resistance rating, and Class B insulation ensure safe, dependable operation �� 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 ✅ Replacement seals and parts available ✅ Dedicated customer service team ✨ Summary The LX Lingxiao WCA50 is a dependable 0.5 HP single-speed circulation pump built for continuous 24/7 operation in hot tubs and whirlpool baths. Featuring center discharge, 1-1/2″ MBT union connections (2-3/8″ O.D.), rotatable wet end, thermal overload protection, and 110-120V/60Hz US-standard power, it’s the proven OEM choice for Platinum Spas and a reliable replacement for compatible systems. Order with confidence from Parts4Tubs for fast shipping and expert support.

LX Lingxiao WCA50 Spa Circulation Pump – 0.5 HP Single Speed (USA Version)

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