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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Cal Spa 5.5kW Complete Heater Assembly - XL Heat Exchanger Retrofit Replacement with Replaceable Element
HTPOFAmerica
MSRP: $269.99$229.99This complete heater assembly delivers 5.5KW heating power and includes the tube, element, metal enclosure, and connection wiring. Engineered specifically for Cal Spa hot tubs as a superior...MSRP: $269.99$229.99 -
Complete 5.5kW Hot Tub Heater Assembly - Balboa Compatible with Dual M7 Sensors, Gaskets & Split Nuts
HTPOFAmerica
MSRP: $379.43$179.99This 5.5kW Complete Heater Assembly comes ready to install with everything included: heating element, tube, dual M7 sensors positioned at both ends, split nuts, and gaskets. Engineered for Balboa spa...MSRP: $379.43$179.99 -
Gecko SSPA S-Class 4.0kW Complete Heater Assembly - Soldered Tab Configuration with Gasket Kit
HTPOFAmerica
MSRP: $259.99$189.99This is a Full 4.0KW Heater Assembly designed for Gecko SSPA and Spa Builders Pack systems. The complete assembly comes with the heating tube, element, pressure switch, split nuts, and all necessary...MSRP: $259.99$189.99 -
Gecko SSPA 5.5kw Complete Heater Assembly with Soldered Tabs, Pressure Switch & Gasket
HTPOFAmerica
MSRP: $259.99$189.99This is a Full 5.5KW Heater Assembly designed for Gecko SSPA and Spa Builders Pack systems. Your purchase includes the complete heating unit: Tube, Element, Pressure Switch, Split Nuts, and Gaskets...MSRP: $259.99$189.99 -
Flow-Through Heater Assembly for Cal Spas 1990-1992 | 5.5kW 230V | 15-3/4" x 1-1/2" Stainless Steel Generic
Therm Products
MSRP: $204.97$159.42Compatible with Cal Spas 1990-1992 ModelsGeneric stainless steel flow-through heater assembly featuring 1-1/2" x 15-3/4" manifold configuration. Complete unit includes 5.5kW/240v heating element and...MSRP: $204.97$159.42 -
Arctic Spas 5.5kW 230v L-Shaped Flow Thru Heater 12" x 2" Aftermarket Replacement
HTPOFAmerica
MSRP: $330.20$249.99Aftermarket Flow Thru Heater for Arctic SpasThis stainless steel L-shaped flow through heater assembly features a 5.5kW/230v incoloy heating element designed as an aftermarket replacement for Arctic...MSRP: $330.20$249.99 -
MSRP: $21.03$16.36 -
Balboa M7 Flow Through Heater Assembly 5.5kW 15x2 Inch 115v/230v with Sensor - LE & Value Systems
HTPOFAmerica
MSRP: $279.99$179.99Complete stainless steel flow-through heater assembly designed for Balboa Water Group control systems. This dual-voltage unit operates at 5.5kW/1.375kW on 115v or 230v power. The housing features a...MSRP: $279.99$179.99 -
Leisure Bay Heat Exchanger 17-1/2" x 3" 230v 4.0kW Stainless Steel Heater Assembly (Also Known as 2-1/2")
HTPOFAmerica
MSRP: $399.99$339.99Genuine replacement heat exchanger designed exclusively for Leisure Bay spa systems. This stainless steel heating assembly measures 17-1/2" x 3" and operates at 4.0kW/230v, delivering reliable...MSRP: $399.99$339.99 -
Balboa Flow-Through Spa Heater 4.0kW 230v 2" x 15" Stainless Steel Assembly Without Pressure Switch
Balboa Water Group
MSRP: $299.83$233.20Balboa Instruments Replacement Heating ElementDurable stainless steel flow-through heater assembly featuring a 2" x 15" manifold design. Operates at 230 volts with 4.0kW power output. Includes 1/8"...MSRP: $299.83$233.20 -
Universal Flow-Through Spa Heater 4.0kW 230v - 15" x 2" - Replacement for Multiple Models
HTPOFAmerica
MSRP: $210.99$164.99Universal Flow-Through Spa Heater - 4.0kW, 230v, 15" x 2" ConfigurationThis 4.0kW flow-through heating element is engineered as a universal replacement solution for spa and hot tub systems. Measuring...MSRP: $210.99$164.99 -
Htr,FloThru,CalSpa Repl, 15" x 2",230v,5.5kW,w/o Box,Generic
Therm Products
MSRP: $225.74$175.58Aftermarket Replacement for Cal Spa XL Exchanger This heater assembly is not an exchanger but an in-line flow thru replacement. This heater assembly is designed as a drop-in replacement. 2" x 15"s/s...MSRP: $225.74$175.58