Heater Assemblies, Flow Thru

Heater Assemblies, Flow Thru

Shop complete flow-thru hot tub and spa heater assemblies ready for direct installation. Our heater assemblies include the element, housing, and all necessary fittings, simplifying the replacement process. Compatible with most major spa control systems and plumbing configurations. We offer competitive international shipping rates to buyers worldwide.

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  • Heater, FloThru, Watkins TR, 15" x 2", 4.0kW, 230v, Generic Heater, FloThru, Watkins TR, 15" x 2", 4.0kW, 230v, Generic

    Heater, FloThru, Watkins TR, 15" x 2", 4.0kW, 230v, Generic

    HTPOFAmerica

    MSRP: $189.99
    $134.99
    Heater, FloThru, Watkins TR, 15" x 2", 4.0kW, 230v, Generic Note: This heater does not have a Pressure Switch port or studs for the ground bar..   Housing Configuration    StraightHeater Length    15"Lead End Terminal...
    MSRP: $189.99
    $134.99
    Qty in Cart: 0
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    MSRP: $189.99
    $134.99
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  • Cal Spa, Polynesian or Emerald Complete Heater 5.5kw Retrofit  15 3/4" X 1 1/2" includes Tube, Element, Split nuts and Gaskets along with the 1 1/2" to 2" conversion fittings. Cal Spa, Polynesian or Emerald Complete Heater 5.5kw Retrofit  15 3/4" X 1 1/2" includes Tube, Element, Split nuts and Gaskets along with the 1 1/2" to 2" conversion fittings.

    5.5kW Flow-Thru Heater Assembly for Cal Spa Emerald Polynesian 15 3/4" x 1 1/2" Retrofit Kit

    HTPOFAmerica

    MSRP: $379.43
    $179.99
    Complete replacement heater assembly designed as a retrofit solution for original Cal Spa, Emerald, and Polynesian heating systems measuring 15 3/4" x 1 1/2". This comprehensive kit includes the heater tube, heating element, split nuts, gaskets, and 1...
    MSRP: $379.43
    $179.99
    Qty in Cart: 0
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    MSRP: $379.43
    $179.99
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  • Heater, FloThru, Waterway NEO Series, 15" x 2", 5.5kW Heater, FloThru, Waterway NEO Series, 15" x 2", 5.5kW

    Waterway NEO Series 5.5kW Flow-Through Heater Tube - 15" x 2" Spa Heating Element

    HTPOFAmerica

    MSRP: $294.99
    $224.99
    This 5.5kW flow-through heating tube measures 15 inches in length and is designed for use with Waterway NEO Series control systems. The straight configuration heater provides reliable hot tub water heating.Looking to save on your repair? Consider...
    MSRP: $294.99
    $224.99
    Qty in Cart: 0
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    MSRP: $294.99
    $224.99
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  • Heater, Flo Thru, Sundance, 680 Series, Sweetwater, 15" x 2", 230v, 4.0kW, with Pinch Plate Heater, Flo Thru, Sundance, 680 Series, Sweetwater, 15" x 2", 230v, 4.0kW, with Pinch Plate

    Sundance 680 Series Flow Through Heater 15" x 2" 230v 4.0kW with Pinch Plate - Sweetwater Compatible

    HTPOFAmerica

    MSRP: $279.99
    $179.99
    This replacement component is a complete 15 inch heater tube assembly featuring an integrated 4.0KW heating element, designed specifically for select Sundance 680 Series spa models and various Sweetwater and Del Sol hot tub systems equipped with high...
    MSRP: $279.99
    $179.99
    Qty in Cart: 0
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    MSRP: $279.99
    $179.99
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  • Heater, Flo Thru, Sundance, 680 Series, Sweetwater, 15" x 2", 230v, 5.5kW, with Pinch Plate Heater, Flo Thru, Sundance, 680 Series, Sweetwater, 15" x 2", 230v, 5.5kW, with Pinch Plate

    Sundance 680 & Sweetwater Flow-Through Heater 15" x 2" 230v 5.5kW w/ Pinch Plate

    HTPOFAmerica

    MSRP: $279.99
    $179.99
    This replacement flow-through heater features a 15-inch tube assembly with an integrated 5.5kW heating element, specifically designed for select Sundance 680 Series and Sweetwater spa models. Built for 240v systems operating without a dedicated...
    MSRP: $279.99
    $179.99
    Qty in Cart: 0
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    MSRP: $279.99
    $179.99
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  • Heater Assembly, United Spas, 5.5kW, 230V, 2" x 13-1/4"Long

    United Spas 5.5kW Flow Thru Heater Assembly - 230V, 2" x 13-1/4" - Therm Products C2550-1206

    HTPOFAmerica

    MSRP: $279.99
    $227.99
    Genuine replacement flow through heater assembly engineered for United Spas control systems. This stainless steel heating element delivers 5.5kW at 230v and measures 2" x 13-1/4" in length. Complete assembly includes external thermal well, pressure...
    MSRP: $279.99
    $227.99
    Qty in Cart: 0
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    MSRP: $279.99
    $227.99
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  • Heater, FloThru, Acura, ACC, 12" x 2", 230v, 5.5kW, with Pinch Plate Heater, FloThru, Acura, ACC, 12" x 2", 230v, 5.5kW, with Pinch Plate

    ACC FloThru Heater Assembly 12-1/2" x 2" 230v 5.5kW Stainless Steel with Thermowell & Pinch Plate

    HTPOFAmerica

    MSRP: $279.99
    $159.99
    Applied Computer ControlsReplacement stainless steel flow-through heater assembly designed for ACC (Applied Computer Controls) STMD1000 series control systems. This unit features a 12-1/2" x 2" configuration with dual mounting studs, integrated external...
    MSRP: $279.99
    $159.99
    Qty in Cart: 0
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    MSRP: $279.99
    $159.99
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  • Heater, Flo Thru, Balboa, LE, Value, M7, 15" x 2", 230v or 115v , 5.5kW, with (1) Sensor Heater, Flo Thru, Balboa, LE, Value, M7, 15" x 2", 230v or 115v , 5.5kW, with (1) Sensor

    Balboa 5.5kW Flow-Through Heater Assembly 2" x 15" 115v/230v LE Value M7 Systems with Sensor

    HTPOFAmerica

    MSRP: $319.99
    $219.99
    Engineered by Balboa Water Group, this stainless steel flow-through heating element delivers 5.5kW of power at 230v with 2" x 15" dimensions. Complete assembly features integrated pressure switch and Hi Limit Sensor positioned on right side. Designed...
    MSRP: $319.99
    $219.99
    Qty in Cart: 0
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    MSRP: $319.99
    $219.99
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  • Heater, FloThru, HydroQuip, Silver B Series, 2-1/4" x 15", 5.5kw, Slide, Versi Heat Heater, FloThru, HydroQuip, Silver B Series, 2-1/4" x 15", 5.5kw, Slide, Versi Heat

    HydroQuip Silver B Series FloThru Heater 2-1/4" x 15" 5.5kw Remote Slide Versi Heat

    HTPOFAmerica

    MSRP: $266.99
    $179.99
    Genuine HydroQuip Silver B Series flow-through heating element designed for Remote Slide Versi Heat systems. This 5.5kw heater measures 2-1/4 inches x 15 inches and serves as a direct replacement element for your spa heating assembly. Important: Element...
    MSRP: $266.99
    $179.99
    Qty in Cart: 0
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    MSRP: $266.99
    $179.99
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  • Jumper Strap, Balboa, Old Style Flat, B2DG, B240, Heater to Board, Qty of 2 Jumper Strap, Balboa, Old Style Flat, B2DG, B240, Heater to Board, Qty of 2

    Balboa B2DG & B240 Heater Jumper Strap Set - Old Style Flat Design - 2 Pack Kit

    HTPOFAmerica

    MSRP: $19.99
    $15.99
    This two-piece jumper strap kit provides the essential connection between your heating element and control board for Balboa B2DG and B240 spa systems. Features the classic flat-style connector design for older Balboa configurations. Circuit Board...
    MSRP: $19.99
    $15.99
    Qty in Cart: 0
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    MSRP: $19.99
    $15.99
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  • Heater Tube Threaded Plug, 1/8"mpt, Plastic Heater Tube Threaded Plug, 1/8"mpt, Plastic

    Plastic Threaded Plug for Heater Tube - 1/8"mpt Hot Tub Spa Part

    HTPOFAmerica

    MSRP: $7.98
    $4.98
    Designed to seal off a 1/8" MPT (Male Pipe Thread) opening typically located on hot tub heater tubes, this plastic plug provides a reliable blocking solution. The threaded opening measures approximately 3/8" in diameter and matches standard pressure...
    MSRP: $7.98
    $4.98
    Qty in Cart: 0
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    MSRP: $7.98
    $4.98
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  • Heater, Flo Thru, Jacuzzi® Premium, J-200 Series, 15" x 2", 230v, 4.0kW, with Pinch Plate Heater, Flo Thru, Jacuzzi® Premium, J-200 Series, 15" x 2", 230v, 4.0kW, with Pinch Plate

    4.0kW Flow-Through Heater Assembly 15" x 2" 230v for Jacuzzi J-200 Series & Sundance Spas with Pinch Plate

    HTPOFAmerica

    MSRP: $279.99
    $179.99
    This genuine replacement component features a 15-inch heater tube assembly equipped with a 4.0kW heating element and integrated pinch plate, specifically engineered for select Jacuzzi Premium J-200 Series hot tubs and certain Sundance 680 and Del Sol spa...
    MSRP: $279.99
    $179.99
    Qty in Cart: 0
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    MSRP: $279.99
    $179.99
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