{"product_id":"hayward-heatpro-50k-btu-heat-pump-heat-cool","title":"Hayward HeatPro 50K BTU Heat Pump (Heat\/Cool)","description":"\u003c!-- more --\u003e\n\u003cp\u003eThe W3HP50HA2 is a side-air heat pump that both heats and cools above-ground and in-ground pools on Hayward's HeatPro platform. It delivers 50,000 BTU\/hr, uses a titanium heat exchanger built for demanding pool environments, and includes active defrost and cooling capability in a compact 152 lb cabinet. The side-air discharge design and low-profile dimensions make it a practical fit for installations where vertical clearance is limited.\u003c\/p\u003e\n\n\u003ch2\u003eW3HP50HA2 HeatPro Side-Air Heat Pump - Specs and Features\u003c\/h2\u003e\n\u003cp\u003eThe W3HP50HA2 runs on 208\/230V single-phase, 60 Hz power with a 35-amp maximum breaker. It supports a water flow range of 16 to 25 GPM - notably narrower than the larger HeatPro in-ground models, so confirm your circulation system falls within that window before purchasing. The cabinet measures 25.6\" H x 17.9\" W x 44.5\" L and weighs 152 lb. It is well matched for pools up to around 10,000 to 12,000 gallons in warm climates.\u003c\/p\u003e\n\n\u003ch3\u003eW3HP50HA2 Installation and Clearance Requirements\u003c\/h3\u003e\n\u003cp\u003eThe side-air platform has different clearance requirements than the round and square HeatPro models. The W3HP50HA2 needs 12 inches at the rear, 30 inches on each side, and only 20 inches of vertical clearance - which makes it well suited for installations under decks, overhangs, or in equipment areas with limited overhead space. Confirm the 30-inch side clearance is achievable on your pad before setting the unit, as that is the tightest constraint on most installs. Plumbing connects via 2\" x 2-1\/2\" union connections.\u003c\/p\u003e\n\n\u003ch2\u003eHeatPro Heat and Cool Performance\u003c\/h2\u003e\n\u003cp\u003eThe W3HP50HA2 pairs a single-speed compressor with a multi-speed ECM fan motor. The ECM fan adjusts speed based on demand, reducing noise during lower-load operation. Active defrost helps the unit manage frost buildup when temperatures drop, extending reliable operation into cooler conditions. The minimum operating temperature is 40°F, but this model does not include low ambient operation - so in regions with sustained temperatures below 40°F, performance will be limited. Cooling capability makes it a practical year-round tool for warm climates where summer water temperatures can climb into uncomfortable ranges.\u003c\/p\u003e\n\n\u003ch3\u003eTitanium Heat Exchanger and Coastal Durability\u003c\/h3\u003e\n\u003cp\u003eThe W3HP50HA2 uses a titanium heat exchanger, which resists corrosion from salt water and aggressive pool chemistry far better than copper or cupronickel alternatives. For coastal installs, the Ultra Gold corrosion-resistant evaporator fin adds another layer of protection against salt air. That combination makes this unit a durable choice for pools near the ocean where standard-fin competitors tend to degrade faster.\u003c\/p\u003e\n\n\u003ch3\u003eW3HP50HA2 vs. Larger HeatPro Models - Sizing and Platform Differences\u003c\/h3\u003e\n\u003cp\u003eThe W3HP50HA2 uses a side-air discharge design rather than the top-discharge layout on the round and square HeatPro models. Beyond the cabinet shape, the key practical differences are the flow range (16-25 GPM here vs. 30-75 GPM on larger models) and pool size coverage. This model is sized for smaller pools and above-ground applications. If your pool is larger than 12,000 gallons or your circulation system runs above 25 GPM, step up to the round-platform HeatPro line.\u003c\/p\u003e\n\n\u003ctable\u003e\n  \u003ccaption\u003e\u003cstrong\u003eFull Specifications - Hayward W3HP50HA2 HeatPro Heat Pump\u003c\/strong\u003e\u003c\/caption\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHayward\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eW3HP50HA2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eHeatPro\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePlatform\u003c\/td\u003e\n\u003ctd\u003eSide Air\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePool Type\u003c\/td\u003e\n\u003ctd\u003eAbove Ground and In Ground\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHeating Capacity\u003c\/td\u003e\n\u003ctd\u003e50,000 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eKilowatts\u003c\/td\u003e\n\u003ctd\u003e14 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCooling Capability\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eActive Defrost\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLow Ambient Operation\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMinimum Operating Temperature\u003c\/td\u003e\n\u003ctd\u003e40 degrees F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCompressor Speed\u003c\/td\u003e\n\u003ctd\u003eSingle-speed\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFan Motor Type\u003c\/td\u003e\n\u003ctd\u003eMulti-speed ECM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHeat Exchanger\u003c\/td\u003e\n\u003ctd\u003eTitanium\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEvaporator Coil\u003c\/td\u003e\n\u003ctd\u003eUltra Gold corrosion-resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e208\/230V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePhase\u003c\/td\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMaximum Breaker Size\u003c\/td\u003e\n\u003ctd\u003e35 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWater Flow Rate\u003c\/td\u003e\n\u003ctd\u003e16 to 25 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePlumbing Connections\u003c\/td\u003e\n\u003ctd\u003e2\" x 2-1\/2\" union\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRear Clearance\u003c\/td\u003e\n\u003ctd\u003e12\"\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSide Clearance\u003c\/td\u003e\n\u003ctd\u003e30\"\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVertical Clearance\u003c\/td\u003e\n\u003ctd\u003e20\"\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eProduct Dimensions (H x W x L)\u003c\/td\u003e\n\u003ctd\u003e25.6\" x 17.9\" x 44.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eProduct Weight\u003c\/td\u003e\n\u003ctd\u003e152 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e32.6\" x 18.8\" x 44.9\"\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e160 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSilent Mode\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBoost Mode\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRefrigerant\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eChannel\u003c\/td\u003e\n\u003ctd\u003eOpen Line\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGTIN\u003c\/td\u003e\n\u003ctd\u003e610377415040\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this model heat and cool the pool?\u003c\/summary\u003e\n  \u003cp\u003eYes. The W3HP50HA2 includes both heating and cooling capability, plus active defrost. In warm climates where pool water can get uncomfortably hot in summer, the cooling function lets you dial the temperature back without draining and refilling.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n  \u003csummary\u003eWhat size pool can a 50,000 BTU heat pump handle?\u003c\/summary\u003e\n  \u003cp\u003eAt 50,000 BTU\/hr, this unit is well matched for pools up to around 10,000 to 12,000 gallons in warm climates. The 16 to 25 GPM flow range also limits it to smaller circulation systems - confirm your pump's flow rate falls within that window before purchasing.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n  \u003csummary\u003eWhat pools is this unit designed for?\u003c\/summary\u003e\n  \u003cp\u003eBoth above-ground and in-ground pools. The compact side-air cabinet and lower flow requirements make it particularly well suited for above-ground pools and smaller in-ground installations where the larger round-platform HeatPro models would be oversized.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n  \u003csummary\u003eWhat makes the side-air platform different from other HeatPro models?\u003c\/summary\u003e\n  \u003cp\u003eThe side-air design discharges air from the sides of the unit rather than the top, which requires more horizontal clearance (30 inches per side) but far less vertical clearance (only 20 inches). That makes it a practical option under decks, overhangs, or in tight equipment areas where a standard top-discharge unit would not fit.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n  \u003csummary\u003eWhy does the titanium heat exchanger matter?\u003c\/summary\u003e\n  \u003cp\u003eTitanium resists corrosion from salt water and aggressive pool chemistry better than copper or cupronickel alternatives. For pools with salt systems, high sanitizer levels, or coastal salt air exposure, the material choice has a real long-term impact on heat exchanger durability.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n  \u003csummary\u003eWhat electrical service does the W3HP50HA2 require?\u003c\/summary\u003e\n  \u003cp\u003eA dedicated 208\/230V single-phase circuit with a 35-amp maximum breaker. Confirm your panel has capacity before purchasing.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this model work in cold weather?\u003c\/summary\u003e\n  \u003cp\u003eThe minimum operating temperature is 40°F. Unlike some HeatPro models, the W3HP50HA2 does not include low ambient operation, so its efficiency drops meaningfully as temperatures approach that floor. For pools in regions with sustained cold temperatures, a unit with low ambient operation is a better fit.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eW3HP50HA2 Warranty, Manuals, and Install Documentation\u003c\/h2\u003e\n\u003cp\u003eThe W3HP50HA2 includes a \u003cstrong\u003e1-year parts warranty\u003c\/strong\u003e with no labor coverage. Review the installation manual before any work begins to confirm electrical service, water flow, and clearance requirements are met at the site.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0683\/3592\/7513\/files\/Hayward-HP50-Manual.pdf?v=1774488080\" target=\"_blank\" rel=\"noopener noreferrer\" title=\"Hayward W3HP50HA2 HeatPro 50K BTU Heat Pump Installation and Operation Manual\"\u003eHayward HeatPro 50K BTU Heat Pump Installation and Operation Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":48372031914201,"sku":"W3HP50HA2","price":2999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/3592\/7513\/files\/Hayward-50K-BTU-heat-pump.jpg?v=1774488231","url":"https:\/\/nonstopswim.com\/products\/hayward-heatpro-50k-btu-heat-pump-heat-cool","provider":"Nonstop Swim","version":"1.0","type":"link"}