Heaters and Related Parts
Keep your hot tub or spa at the perfect temperature with our comprehensive selection of heaters and heating components. We carry complete heater assemblies, heating elements, heater manifolds, and related parts from top spa manufacturers. Whether you need a full heater replacement or just a component, we have you covered. We offer competitive international shipping rates to buyers worldwide.
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Heater, FloThru, Watkins TR, 15" x 2", 4.0kW, 230v, Generic
HTPOFAmerica
MSRP: $189.99$134.99Heater, 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 -
5.5kW Flow-Thru Heater Assembly for Cal Spa Emerald Polynesian 15 3/4" x 1 1/2" Retrofit Kit
HTPOFAmerica
MSRP: $379.43$179.99Complete 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 -
Brass Barb Adapter 1/8" Barb x 3/8" MPT for Jacuzzi Premium Trombone Heater Bleeder System
HTPOFAmerica
MSRP: $15.99$12.99This durable brass fitting connects a 3/8" ID tube on one end to a 1/8" MPT Jacuzzi heater port on the other. Commonly found in Jacuzzi Premium Trombone Heater installations, this adapter is primarily used for connecting heaters to bleeder systems. The...MSRP: $15.99$12.99 -
Waterway NEO Series 5.5kW Flow-Through Heater Tube - 15" x 2" Spa Heating Element
HTPOFAmerica
MSRP: $294.99$224.99This 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 -
Sundance 680 Series Flow Through Heater 15" x 2" 230v 4.0kW with Pinch Plate - Sweetwater Compatible
HTPOFAmerica
MSRP: $279.99$179.99This 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 -
Sundance 680 & Sweetwater Flow-Through Heater 15" x 2" 230v 5.5kW w/ Pinch Plate
HTPOFAmerica
MSRP: $279.99$179.99This 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 -
Brett Aqualine 90° Heater Assembly 5.5kW 230V Plastic Manifold w/Hi-Limit Thermostat Pressure Switch
HTPOFAmerica
MSRP: $539.99$439.99This 90° Brett Aqualine heater assembly features a plastic manifold configuration rated at 5.5kW and 230V, complete with hi-limit protection, thermostat, and pressure switch. Designed as a direct replacement for HT-1 and EM201/EM203 heater models...MSRP: $539.99$439.99 -
United Spas 5.5kW Flow Thru Heater Assembly - 230V, 2" x 13-1/4" - Therm Products C2550-1206
HTPOFAmerica
MSRP: $279.99$227.99Genuine 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 -
5.5KW Universal Low Flow Spa Heater - Retrofit Kit for 1" or 3/4" Connections
HTPOFAmerica
MSRP: $572.86$449.99Versatile 5.5KW low flow spa heater designed for universal retrofit applications, compatible with 1" or 3/4" plumbing configurations:This replacement heating element serves as a direct substitute for any low flow spa heating system. The complete retrofit...MSRP: $572.86$449.99 -
ACC FloThru Heater Assembly 12-1/2" x 2" 230v 5.5kW Stainless Steel with Thermowell & Pinch Plate
HTPOFAmerica
MSRP: $279.99$159.99Applied 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 -
2" Pump Union O-Ring 2 5/8" Center to Center - Jacuzzi Premium & Sundance Spa Parts
HTPOFAmerica
MSRP: $7.99$4.99IMPORTANT: This is a NON-STANDARD 2 5/8" Center to Center replacement o-ring for 2" pump or heater unions.This seal measures 2 5/8" from center to center. Please note that standard unions typically use 2 1/2" center to center o-rings. You must confirm...MSRP: $7.99$4.99 -
Balboa 5.5kW Flow-Through Heater Assembly 2" x 15" 115v/230v LE Value M7 Systems with Sensor
HTPOFAmerica
MSRP: $319.99$219.99Engineered 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