{"product_id":"hayward-w3hp21405t-heatpro-in-ground-heat-pump-square-platform-140-000-btus","title":"Hayward | W3HP21405T | 140,000 BTU  HeatPro In Ground Heat Pump","description":"\u003cp data-start=\"124\" data-end=\"779\"\u003eThe Hayward W3HP21405T HeatPro In-Ground Pool Heat Pump is a high-capacity, energy-efficient heating solution designed to extend swim season and deliver consistent water temperature control for residential pools. Featuring Hayward’s industry-first Microchannel Heat Exchanger technology, this heat pump provides faster heat transfer, improved durability, and long-term efficiency compared to traditional tube-and-fin designs. With a powerful 140,000 BTU heating capacity and a compact square platform footprint, the HeatPro is engineered for reliable performance, quieter operation, and easier installation in modern pool environments.\u003c\/p\u003e\n\u003chr data-start=\"781\" data-end=\"784\"\u003e\n\u003cp data-start=\"786\" data-end=\"1901\"\u003e\u003cstrong data-start=\"786\" data-end=\"802\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-start=\"802\" data-end=\"805\"\u003e• 140,000 BTU heating capacity provides rapid and efficient pool heating for medium to large in-ground residential pools\u003cbr data-start=\"925\" data-end=\"928\"\u003e• Industry-first Microchannel Heat Exchanger technology delivers improved heat transfer, reduced refrigerant volume, and enhanced corrosion resistance\u003cbr data-start=\"1078\" data-end=\"1081\"\u003e• Square platform design optimizes space on the equipment pad while allowing efficient upward airflow\u003cbr data-start=\"1182\" data-end=\"1185\"\u003e• Designed for 230V single-phase electrical operation with optimized power consumption\u003cbr data-start=\"1271\" data-end=\"1274\"\u003e• Titanium heat exchanger offers superior resistance to harsh water chemistry and saltwater environments\u003cbr data-start=\"1378\" data-end=\"1381\" data-is-only-node=\"\"\u003e• Advanced defrost algorithm improves low-ambient heating performance to extend swim season in cooler climates\u003cbr data-start=\"1491\" data-end=\"1494\"\u003e• Quiet scroll compressor technology ensures reliable operation with reduced noise levels\u003cbr data-start=\"1583\" data-end=\"1586\"\u003e• Digital control interface supports precise temperature adjustments and clear system diagnostics\u003cbr data-start=\"1683\" data-end=\"1686\"\u003e• Compatible with Hayward Omni automation systems for remote temperature control and scheduling\u003cbr data-start=\"1781\" data-end=\"1784\"\u003e• Built for outdoor installation with a UV-resistant cabinet designed to withstand long-term environmental exposure\u003c\/p\u003e\n\u003chr data-start=\"1903\" data-end=\"1906\"\u003e\n\u003cp data-start=\"1908\" data-end=\"2479\"\u003e\u003cstrong data-start=\"1908\" data-end=\"1928\"\u003eProduct Overview\u003c\/strong\u003e\u003cbr data-start=\"1928\" data-end=\"1931\"\u003eThe Hayward HeatPro W3HP21405T Heat Pump delivers powerful, efficient pool heating using advanced Microchannel Heat Exchanger technology that sets a new standard for performance and longevity. By reducing internal brazed joints and refrigerant volume, this design improves reliability while maintaining high thermal efficiency across a wide range of operating conditions. The 140,000 BTU output allows the HeatPro to quickly raise and maintain water temperatures, making it ideal for homeowners looking to maximize pool usage throughout the year.\u003c\/p\u003e\n\u003cp data-start=\"2481\" data-end=\"3080\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eEngineered for ease of installation and long-term serviceability, the HeatPro features a compact square footprint, top-discharge airflow, and durable construction suited for demanding outdoor environments. Its titanium heat exchanger ensures compatibility with saltwater pools, while integrated digital controls and automation readiness provide modern convenience and precise temperature management. Designed and built to Hayward’s professional standards, the HeatPro In-Ground Heat Pump offers dependable performance, energy efficiency, and extended swim season comfort for residential pool owners.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69ed3017-cb7c-83e8-99f3-dedd59fc1a7d-21\" data-testid=\"conversation-turn-182\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"2edc0520-a093-488a-adc2-d30e06d1368f\" dir=\"auto\" data-message-model-slug=\"gpt-5-5-thinking\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"40\"\u003e────────────────────────────────────────\u003c\/p\u003e\n\u003ch2 data-section-id=\"w1c0q0\" data-start=\"42\" data-end=\"77\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cp data-start=\"79\" data-end=\"294\"\u003e\u003cstrong data-start=\"79\" data-end=\"144\"\u003eQ: What is the Hayward W3HP21405T HeatPro heat pump used for?\u003c\/strong\u003e\u003cbr data-start=\"144\" data-end=\"147\"\u003eA: The Hayward W3HP21405T is a 140,000 BTU in-ground pool heat pump designed to efficiently heat residential pools and help extend the swim season.\u003c\/p\u003e\n\u003chr data-start=\"296\" data-end=\"299\"\u003e\n\u003cp data-start=\"301\" data-end=\"536\"\u003e\u003cstrong data-start=\"301\" data-end=\"369\"\u003eQ: Is the Hayward W3HP21405T a heat-only or heat-and-cool model?\u003c\/strong\u003e\u003cbr data-start=\"369\" data-end=\"372\"\u003eA: This model is designed as a heat pump for pool heating. It is intended for heating pool water, not for cooling unless specified by the exact model configuration.\u003c\/p\u003e\n\u003chr data-start=\"538\" data-end=\"541\"\u003e\n\u003cp data-start=\"543\" data-end=\"756\"\u003e\u003cstrong data-start=\"543\" data-end=\"600\"\u003eQ: What size pool is the Hayward W3HP21405T best for?\u003c\/strong\u003e\u003cbr data-start=\"600\" data-end=\"603\"\u003eA: This 140,000 BTU heat pump is best for medium to large in-ground pools where efficient temperature maintenance and extended swim season are important.\u003c\/p\u003e\n\u003chr data-start=\"758\" data-end=\"761\"\u003e\n\u003cp data-start=\"763\" data-end=\"988\"\u003e\u003cstrong data-start=\"763\" data-end=\"805\"\u003eQ: Is the Hayward W3HP21405T worth it?\u003c\/strong\u003e\u003cbr data-start=\"805\" data-end=\"808\"\u003eA: Yes. It is a strong option for pool owners who want high-capacity electric heating, energy efficiency, quiet operation, and durable construction from Hayward’s HeatPro platform.\u003c\/p\u003e\n\u003chr data-start=\"990\" data-end=\"993\"\u003e\n\u003cp data-start=\"995\" data-end=\"1240\"\u003e\u003cstrong data-start=\"995\" data-end=\"1057\"\u003eQ: What is the benefit of the Microchannel Heat Exchanger?\u003c\/strong\u003e\u003cbr data-start=\"1057\" data-end=\"1060\"\u003eA: The Microchannel Heat Exchanger is designed to improve heat transfer, reduce refrigerant volume, and support long-term efficiency compared to traditional heat exchanger designs.\u003c\/p\u003e\n\u003chr data-start=\"1242\" data-end=\"1245\"\u003e\n\u003cp data-start=\"1247\" data-end=\"1502\"\u003e\u003cstrong data-start=\"1247\" data-end=\"1309\"\u003eQ: Is the Hayward W3HP21405T suitable for saltwater pools?\u003c\/strong\u003e\u003cbr data-start=\"1309\" data-end=\"1312\"\u003eA: Yes. The titanium heat exchanger provides strong resistance to corrosion, making it suitable for saltwater and chemically treated pool systems when water chemistry is properly maintained.\u003c\/p\u003e\n\u003chr data-start=\"1504\" data-end=\"1507\"\u003e\n\u003cp data-start=\"1509\" data-end=\"1703\"\u003e\u003cstrong data-start=\"1509\" data-end=\"1565\"\u003eQ: What voltage does the Hayward W3HP21405T require?\u003c\/strong\u003e\u003cbr data-start=\"1565\" data-end=\"1568\"\u003eA: This heat pump is designed for 230V single-phase electrical operation and should be installed on a properly sized dedicated circuit.\u003c\/p\u003e\n\u003chr data-start=\"1705\" data-end=\"1708\"\u003e\n\u003cp data-start=\"1710\" data-end=\"1935\"\u003e\u003cstrong data-start=\"1710\" data-end=\"1779\"\u003eQ: Does the Hayward W3HP21405T require professional installation?\u003c\/strong\u003e\u003cbr data-start=\"1779\" data-end=\"1782\"\u003eA: Yes. Professional installation is recommended to ensure proper electrical wiring, plumbing, water flow, equipment clearance, and code-compliant setup.\u003c\/p\u003e\n\u003chr data-start=\"1937\" data-end=\"1940\"\u003e\n\u003cp data-start=\"1942\" data-end=\"2178\"\u003e\u003cstrong data-start=\"1942\" data-end=\"2005\"\u003eQ: Is the Hayward W3HP21405T better than a gas pool heater?\u003c\/strong\u003e\u003cbr data-start=\"2005\" data-end=\"2008\"\u003eA: It depends on your needs. A heat pump is typically more efficient for maintaining temperature, while a gas heater usually provides faster heat-up in colder conditions.\u003c\/p\u003e\n\u003chr data-start=\"2180\" data-end=\"2183\"\u003e\n\u003cp data-start=\"2185\" data-end=\"2402\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"2185\" data-end=\"2253\"\u003eQ: Can the Hayward W3HP21405T work with pool automation systems?\u003c\/strong\u003e\u003cbr data-start=\"2253\" data-end=\"2256\"\u003eA: Yes. This model is compatible with Hayward Omni automation systems, allowing remote temperature control and scheduling when properly connected.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":44123064664107,"sku":"W3HP21405T","price":6999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1589\/7131\/files\/2_MCHE_c6ae__01523.jpg?v=1779703257","url":"https:\/\/auremontdirect.com\/products\/hayward-w3hp21405t-heatpro-in-ground-heat-pump-square-platform-140-000-btus","provider":"Auremont Direct","version":"1.0","type":"link"}