{"product_id":"hayward-hp21105t-heatpro-series-heat-pump-110-000-btu-230v-60hz-single-phase","title":"Hayward | HP21105T | HeatPro Series Heat Pump | 110,000 BTU 230V 60Hz Single Phase","description":"\u003cp data-start=\"598\" data-end=\"1007\"\u003eHayward HP21105T is a HeatPro Series in-ground pool heat pump designed for efficient, dependable water heating in residential pool applications. This 110,000 BTU heat-only model operates on 230V, 60 Hz, single phase power and is built to provide quieter operation, durable corrosion resistance, and energy-efficient performance for long-term pool temperature maintenance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1009\" data-end=\"1049\"\u003e────────────────────────────────────────\u003c\/p\u003e\n\u003cp data-start=\"1051\" data-end=\"1063\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1065\" data-end=\"2378\"\u003e• Hayward HP21105T is a HeatPro Series heat pump rated at 110,000 BTU for in-ground pool heating applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1213\" data-end=\"1216\"\u003e• This model is a heat-only unit, not a heat-and-cool version. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1316\" data-end=\"1319\"\u003e• Hayward lists the electrical configuration as single phase with 60 Hz operation, and the installation literature for this HeatPro family shows 230 VAC field wiring. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1523\" data-end=\"1526\"\u003e• The HeatPro platform is promoted for energy-efficient heating and quiet operation to help maintain ideal pool temperature with lower operating costs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1715\" data-end=\"1718\"\u003e• Hayward highlights a titanium heat exchanger for strong resistance to salt water and chemical corrosion. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1862\" data-end=\"1865\"\u003e• The HeatPro line also features Ultra Gold corrosion-resistant evaporator fin protection for improved durability, especially in coastal environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"2053\" data-end=\"2056\"\u003e• Standard 2 inch by 2.5 inch CPVC union plumbing connections are noted for installation and service compatibility. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"2209\" data-end=\"2212\"\u003e• Hayward’s current catalog grouping shows HP21105T as the 110,000 BTU heat-only model within the present HeatPro Series lineup. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2380\" data-end=\"2420\"\u003e────────────────────────────────────────\u003c\/p\u003e\n\u003cp data-start=\"2422\" data-end=\"2438\"\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2440\" data-end=\"2891\"\u003eThe Hayward HP21105T HeatPro Series Heat Pump is built for pool owners and service professionals who want reliable in-ground pool heating without stepping into a heat-and-cool model. Its 110,000 BTU output positions it as a strong heating solution for maintaining comfortable pool temperatures, while Hayward’s current materials emphasize quiet performance, corrosion resistance, and energy-conscious operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2893\" data-end=\"3267\"\u003eWhat makes this model especially appealing is the durability-focused HeatPro design. Hayward highlights the titanium heat exchanger, Ultra Gold evaporator fin protection, and service-friendly plumbing connections as key benefits. For buyers looking for a current Hayward 110K BTU heat-only heat pump, HP21105T is the right SKU to use.\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-6\" data-testid=\"conversation-turn-152\" 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=\"bcaba048-74cb-4d65-b0c0-10dfb72e84e1\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" 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=\"310\"\u003e\u003cstrong data-start=\"79\" data-end=\"142\"\u003eQ: What is the Hayward HP21105T HeatPro heat pump used for?\u003c\/strong\u003e\u003cbr data-start=\"142\" data-end=\"145\"\u003eA: The Hayward HP21105T is a 110,000 BTU heat-only pool heat pump designed to efficiently heat in-ground residential pools and maintain consistent water temperature.\u003c\/p\u003e\n\u003chr data-start=\"312\" data-end=\"315\"\u003e\n\u003cp data-start=\"317\" data-end=\"471\"\u003e\u003cstrong data-start=\"317\" data-end=\"383\"\u003eQ: Is the Hayward HP21105T a heat-only or heat-and-cool model?\u003c\/strong\u003e\u003cbr data-start=\"383\" data-end=\"386\"\u003eA: The HP21105T is a heat-only model. It is designed to heat pool water, not cool it.\u003c\/p\u003e\n\u003chr data-start=\"473\" data-end=\"476\"\u003e\n\u003cp data-start=\"478\" data-end=\"670\"\u003e\u003cstrong data-start=\"478\" data-end=\"533\"\u003eQ: What size pool is the Hayward HP21105T best for?\u003c\/strong\u003e\u003cbr data-start=\"533\" data-end=\"536\"\u003eA: This 110,000 BTU heat pump is best for small to medium in-ground pools where energy-efficient temperature maintenance is important.\u003c\/p\u003e\n\u003chr data-start=\"672\" data-end=\"675\"\u003e\n\u003cp data-start=\"677\" data-end=\"878\"\u003e\u003cstrong data-start=\"677\" data-end=\"717\"\u003eQ: Is the Hayward HP21105T worth it?\u003c\/strong\u003e\u003cbr data-start=\"717\" data-end=\"720\"\u003eA: Yes. It is a reliable and energy-efficient heat pump offering quiet operation, corrosion resistance, and long-term durability for residential pool heating.\u003c\/p\u003e\n\u003chr data-start=\"880\" data-end=\"883\"\u003e\n\u003cp data-start=\"885\" data-end=\"1062\"\u003e\u003cstrong data-start=\"885\" data-end=\"939\"\u003eQ: What voltage does the Hayward HP21105T require?\u003c\/strong\u003e\u003cbr data-start=\"939\" data-end=\"942\"\u003eA: This model operates on 230V, 60 Hz, single-phase power and should be installed on a properly sized dedicated circuit.\u003c\/p\u003e\n\u003chr data-start=\"1064\" data-end=\"1067\"\u003e\n\u003cp data-start=\"1069\" data-end=\"1300\"\u003e\u003cstrong data-start=\"1069\" data-end=\"1130\"\u003eQ: Is the Hayward HP21105T better than a gas pool heater?\u003c\/strong\u003e\u003cbr data-start=\"1130\" data-end=\"1133\"\u003eA: It depends on your needs. A heat pump is typically more energy-efficient for maintaining temperature, while gas heaters provide faster heat-up in colder conditions.\u003c\/p\u003e\n\u003chr data-start=\"1302\" data-end=\"1305\"\u003e\n\u003cp data-start=\"1307\" data-end=\"1515\"\u003e\u003cstrong data-start=\"1307\" data-end=\"1367\"\u003eQ: Is the Hayward HP21105T suitable for saltwater pools?\u003c\/strong\u003e\u003cbr data-start=\"1367\" data-end=\"1370\"\u003eA: Yes. It features a titanium heat exchanger and corrosion-resistant components designed for saltwater and chemically treated pool environments.\u003c\/p\u003e\n\u003chr data-start=\"1517\" data-end=\"1520\"\u003e\n\u003cp data-start=\"1522\" data-end=\"1731\"\u003e\u003cstrong data-start=\"1522\" data-end=\"1589\"\u003eQ: Does the Hayward HP21105T require professional installation?\u003c\/strong\u003e\u003cbr data-start=\"1589\" data-end=\"1592\"\u003eA: Yes. Professional installation is recommended to ensure proper electrical wiring, plumbing connections, water flow, and code compliance.\u003c\/p\u003e\n\u003chr data-start=\"1733\" data-end=\"1736\"\u003e\n\u003cp data-start=\"1738\" data-end=\"1991\"\u003e\u003cstrong data-start=\"1738\" data-end=\"1793\"\u003eQ: How fast will the Hayward HP21105T heat my pool?\u003c\/strong\u003e\u003cbr data-start=\"1793\" data-end=\"1796\"\u003eA: Heating speed depends on pool size, outdoor air temperature, starting water temperature, and usage conditions. Heat pumps are best for steady temperature maintenance rather than rapid heating.\u003c\/p\u003e\n\u003chr data-start=\"1993\" data-end=\"1996\"\u003e\n\u003cp data-start=\"1998\" data-end=\"2247\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1998\" data-end=\"2077\"\u003eQ: When should I choose the Hayward HP21105T instead of a larger heat pump?\u003c\/strong\u003e\u003cbr data-start=\"2077\" data-end=\"2080\"\u003eA: Choose the HP21105T if you have a smaller or medium-sized pool and want efficient heating without oversizing, helping reduce energy costs while maintaining comfort.\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":44123064631339,"sku":"HP21105T","price":3900.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1589\/7131\/files\/HAY-15-1032-6_medium_ac0f0ca5-726e-4aa1-a25c-b5ceff79de18.jpg?v=1779703256","url":"https:\/\/auremontdirect.com\/products\/hayward-hp21105t-heatpro-series-heat-pump-110-000-btu-230v-60hz-single-phase","provider":"Auremont Direct","version":"1.0","type":"link"}