{"product_id":"hayward-hp21405t-heatpro-mchx-series-heat-pump-140-000-btu-heat-only-240v","title":"Hayward | HP21405T | 140,000 BTU Heat Only 240V HeatPro MCHX Series Heat Pump","description":"\u003cp data-start=\"449\" data-end=\"914\"\u003eHayward HP21405T is a HeatPro MCHX Series heat pump designed for efficient in-ground pool heating with advanced microchannel heat exchanger technology. This 140,000 BTU heat-only model is built to extend swim season while helping reduce operating costs compared with traditional heating methods. Hayward’s current product page positions it as part of the newer HeatPro MCHX lineup for dependable, energy-conscious pool heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"916\" data-end=\"956\"\u003e────────────────────────────────────────\u003c\/p\u003e\n\u003cp data-start=\"958\" data-end=\"970\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"972\" data-end=\"2259\"\u003e• Hayward HP21405T is a HeatPro MCHX Series heat-only heat pump rated at 140,000 BTU. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1095\" data-end=\"1098\"\u003e• This model is a \u003cstrong data-start=\"1116\" data-end=\"1129\"\u003eheat-only\u003c\/strong\u003e unit, not a heat-and-cool model. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1200\" data-end=\"1203\"\u003e• Hayward identifies HP21405T as part of the newer HeatPro MCHX Series lineup using microchannel heat exchanger technology. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1364\" data-end=\"1367\"\u003e• The current model is listed on 240V-class power, with retailer listings commonly showing 240V and Hayward’s official page presenting the product in the current MCHX family. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1579\" data-end=\"1582\"\u003e• Hayward’s HeatPro MCHX line is positioned for efficient pool heating performance to help lower energy and operating costs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1744\" data-end=\"1747\"\u003e• The product is intended for in-ground pool heating applications and is sold as part of Hayward’s premium HeatPro platform. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1909\" data-end=\"1912\"\u003e• Hayward’s official page also links the unit to the current Heat Pump MCHE installation and operation manual and HeatPro literature. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"2083\" data-end=\"2086\"\u003e• Current market listings and Hayward product references consistently identify HP21405T as the 140K BTU heat-only model in this series. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2261\" data-end=\"2301\"\u003e────────────────────────────────────────\u003c\/p\u003e\n\u003cp data-start=\"2303\" data-end=\"2319\"\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2321\" data-end=\"2854\"\u003eThe Hayward HP21405T HeatPro MCHX Series Heat Pump is built for pool owners and service professionals who want higher-capacity in-ground pool heating from a current Hayward heat pump platform. With its 140,000 BTU output and heat-only configuration, it is designed for users focused on extending swim season and maintaining warmer pool temperatures without moving to a heat-and-cool model. Hayward’s current materials frame this unit around the newer MCHX platform and its microchannel design. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2856\" data-end=\"3345\"\u003eWhat makes this model especially appealing is the combination of capacity and updated platform positioning. Hayward’s official listing highlights the current HeatPro MCHX Series branding, while broader product references and retailers consistently present HP21405T as the 140K BTU heat-only option. For listing purposes, the strongest version is to identify it as a HeatPro MCHX Series heat pump rather than using a more generic HeatPro title alone.\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-5\" data-testid=\"conversation-turn-150\" 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=\"12df32b2-0afd-40e1-858f-3d643793ec82\" 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=\"288\"\u003e\u003cstrong data-start=\"79\" data-end=\"147\"\u003eQ: What is the Hayward HP21405T HeatPro MCHX heat pump used for?\u003c\/strong\u003e\u003cbr data-start=\"147\" data-end=\"150\"\u003eA: The Hayward HP21405T is a 140,000 BTU heat-only pool heat pump designed for efficient in-ground pool heating and swim season extension.\u003c\/p\u003e\n\u003chr data-start=\"290\" data-end=\"293\"\u003e\n\u003cp data-start=\"295\" data-end=\"449\"\u003e\u003cstrong data-start=\"295\" data-end=\"361\"\u003eQ: Is the Hayward HP21405T a heat-only or heat-and-cool model?\u003c\/strong\u003e\u003cbr data-start=\"361\" data-end=\"364\"\u003eA: The HP21405T is a heat-only model. It is designed to heat pool water, not cool it.\u003c\/p\u003e\n\u003chr data-start=\"451\" data-end=\"454\"\u003e\n\u003cp data-start=\"456\" data-end=\"667\"\u003e\u003cstrong data-start=\"456\" data-end=\"511\"\u003eQ: What size pool is the Hayward HP21405T best for?\u003c\/strong\u003e\u003cbr data-start=\"511\" data-end=\"514\"\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=\"669\" data-end=\"672\"\u003e\n\u003cp data-start=\"674\" data-end=\"866\"\u003e\u003cstrong data-start=\"674\" data-end=\"714\"\u003eQ: Is the Hayward HP21405T worth it?\u003c\/strong\u003e\u003cbr data-start=\"714\" data-end=\"717\"\u003eA: Yes. It is a strong option for pool owners who want a high-capacity, energy-efficient heat pump from Hayward’s current HeatPro MCHX Series lineup.\u003c\/p\u003e\n\u003chr data-start=\"868\" data-end=\"871\"\u003e\n\u003cp data-start=\"873\" data-end=\"1072\"\u003e\u003cstrong data-start=\"873\" data-end=\"927\"\u003eQ: What voltage does the Hayward HP21405T require?\u003c\/strong\u003e\u003cbr data-start=\"927\" data-end=\"930\"\u003eA: The Hayward HP21405T is commonly listed as a 240V-class heat pump and should be installed on a properly sized dedicated electrical circuit.\u003c\/p\u003e\n\u003chr data-start=\"1074\" data-end=\"1077\"\u003e\n\u003cp data-start=\"1079\" data-end=\"1304\"\u003e\u003cstrong data-start=\"1079\" data-end=\"1140\"\u003eQ: Is the Hayward HP21405T better than a gas pool heater?\u003c\/strong\u003e\u003cbr data-start=\"1140\" data-end=\"1143\"\u003eA: It depends on your needs. A heat pump is usually more efficient for maintaining pool temperature, while a gas heater typically heats faster in colder weather.\u003c\/p\u003e\n\u003chr data-start=\"1306\" data-end=\"1309\"\u003e\n\u003cp data-start=\"1311\" data-end=\"1527\"\u003e\u003cstrong data-start=\"1311\" data-end=\"1371\"\u003eQ: Is the Hayward HP21405T suitable for saltwater pools?\u003c\/strong\u003e\u003cbr data-start=\"1371\" data-end=\"1374\"\u003eA: Yes. Hayward heat pumps are designed for treated pool water systems, including chlorine and saltwater pools when proper water chemistry is maintained.\u003c\/p\u003e\n\u003chr data-start=\"1529\" data-end=\"1532\"\u003e\n\u003cp data-start=\"1534\" data-end=\"1774\"\u003e\u003cstrong data-start=\"1534\" data-end=\"1601\"\u003eQ: Does the Hayward HP21405T require professional installation?\u003c\/strong\u003e\u003cbr data-start=\"1601\" data-end=\"1604\"\u003eA: Yes. Professional installation is recommended because the unit requires proper electrical service, plumbing, water flow, equipment clearance, and code-compliant setup.\u003c\/p\u003e\n\u003chr data-start=\"1776\" data-end=\"1779\"\u003e\n\u003cp data-start=\"1781\" data-end=\"2025\"\u003e\u003cstrong data-start=\"1781\" data-end=\"1836\"\u003eQ: How fast will the Hayward HP21405T heat my pool?\u003c\/strong\u003e\u003cbr data-start=\"1836\" data-end=\"1839\"\u003eA: Heating speed depends on pool size, outdoor air temperature, starting water temperature, wind exposure, cover use, and runtime. Heat pumps are best for steady temperature maintenance.\u003c\/p\u003e\n\u003chr data-start=\"2027\" data-end=\"2030\"\u003e\n\u003cp data-start=\"2032\" data-end=\"2287\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"2032\" data-end=\"2112\"\u003eQ: When should I choose the Hayward HP21405T instead of a smaller heat pump?\u003c\/strong\u003e\u003cbr data-start=\"2112\" data-end=\"2115\"\u003eA: Choose the HP21405T if you have a larger in-ground pool, want stronger heating capacity, or need more reliable temperature maintenance during cooler swim-season weather.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cdiv aria-hidden=\"true\" class=\"pointer-events-none -mt-px h-px translate-y-[calc(var(--scroll-root-safe-area-inset-bottom)-14*var(--spacing))]\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":44123064598571,"sku":"HP21405T","price":4999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1589\/7131\/files\/HAY-15-1032-6_medium_407c9f12-af87-4f29-9c73-2c4d0b302da1.jpg?v=1779703256","url":"https:\/\/auremontdirect.com\/products\/hayward-hp21405t-heatpro-mchx-series-heat-pump-140-000-btu-heat-only-240v","provider":"Auremont Direct","version":"1.0","type":"link"}