Heater Assemblies, Flow Thru

Heater Assemblies, Flow Thru

This Category feature Flow Through Style Heaters that normally measure about 15" long and the Inside Diameter is normally 2"... There are other variations but these are the most popular... What the videos, Chat or Call us to help you determine if the Heater is actually your issue... 

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  • Spa Builders 5.5 KW Flow Thru Heater Assembly 15" Spa Builders 5.5 KW Flow Thru Heater Assembly 15"
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    Spa Builders 5.5 KW Flow Thru Heater Assembly 15"

    MSRP: $279.99
    $129.99
    Stainless steel heater assembly to replace Spa Builders AP-1, EP-1, LX-15, LX-35 and ET model heaters. Can also be found on Sundance and Sweetwater Spas that use their OEM version of the LX-15...
    MSRP: $279.99
    $129.99
    Qty in Cart: 0
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    MSRP: $279.99
    $129.99
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  • 2" Heater Split Nut with Screws For Repairing Heater Unions 2" Heater Split Nut with Screws For Repairing Heater Unions
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    2" Heater Split Nut with Screws For Repairing Heater Unions

    MSRP: $12.95
    $8.95
    2" Heater split nut repair union used to replace cracked and brittle heater unions on hot tubs and spas. This two piece split nut fits around your heater and is held together by two phillips head...
    MSRP: $12.95
    $8.95
    Qty in Cart: 0
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    MSRP: $12.95
    $8.95
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  • ACC Heater Assembly, 4.0 KW ePack, 15", 2" Unions
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    ACC Heater Assembly, 4.0 KW ePack, 15", 2" Unions

    MSRP: $299.99
    $258.99
    Flow Thru heater assembly for the ACC ePack in 4.0 KW (4000 Watts). This 15" flange to flange heater has 2" unions that measure 3" on the inside and pressure switch tap. The pressure switch is not...
    MSRP: $299.99
    $258.99
    Qty in Cart: 0
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    MSRP: $299.99
    $258.99
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  • Heater Assembly, 1.0/4.0 KW, Sundance / Jacuzzi, LX BLB 825, 15"
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    Heater Assembly, 1.0/4.0 KW, Sundance / Jacuzzi, LX BLB 825, 15"

    MSRP: $299.99
    $246.99
    4.0 KW Flo-Thru heater with 2" unions specifically for Sundance and Jacuzzi spas that utilize the Balboa control systems. This model heater has a port for the pressure switch which is used on most...
    MSRP: $299.99
    $246.99
    Qty in Cart: 0
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    MSRP: $299.99
    $246.99
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  • Balboa BP100 Heater, 4.0 KW, 2" Union, 15" Length w/ M7 Sensors Balboa BP100 Heater, 4.0 KW, 2" Union, 15" Length w/ M7 Sensors
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    Balboa BP100 Heater, 4.0 KW, 2" Union, 15" Length w/ M7 Sensors

    MSRP: $299.99
    $238.99
    Heater for the compact Balboa BP100 systems with stationary heater. This 4.0 KW heater has 2" unions that measure 3" inside and a length of 15" flange to flange. Includes heater, sensors and unions...
    MSRP: $299.99
    $238.99
    Qty in Cart: 0
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    MSRP: $299.99
    $238.99
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  • Heater, Titanium Flo Thru, Balboa, M7, 15" x 2", 230v or 115v, 5.5kW, with Sensors Heater, Titanium Flo Thru, Balboa, M7, 15" x 2", 230v or 115v, 5.5kW, with Sensors
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    Heater, Titanium Flo Thru, Balboa, M7, 15" x 2", 230v or 115v, 5.5kW, with Sensors

    MSRP: $299.95
    $269.95
    Balboa 5.5 KW Titanium heater assembly with stud. Can be run at 230 volts for the full 5.5 KW or at 115 volts for 1.5 KW. This Flo Thru heater has 2" unions that measure 3" on the inside and is 15"...
    MSRP: $299.95
    $269.95
    Qty in Cart: 0
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    MSRP: $299.95
    $269.95
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  • Heater, VersiHeat, HQ Electric, CS9408, 13" x 2", 230v, 5.5kW Aquatemp Replacement  20-00359
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    Heater, VersiHeat, HQ Electric, CS9408, 13" x 2", 230v, 5.5kW Aquatemp Replacement 20-00359

    MSRP: $439.99
    $349.99
    This part is a Hydro Quip Versi-Heat remote heater replacement assembly. The metal tube measures 2" x 13" with a 5.5 kilowatt, 230v heater element inside. Some versions are 4.5kw but this one will...
    MSRP: $439.99
    $349.99
    Qty in Cart: 0
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    MSRP: $439.99
    $349.99
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  • Balboa 3.0 KW Heater, Flo Thru Heater,  M7, Euro 50 Hz Balboa 3.0 KW Heater, Flo Thru Heater,  M7, Euro 50 Hz
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    Balboa 3.0 KW Heater, Flo Thru Heater, M7, Euro 50 Hz

    MSRP: $325.00
    $280.99
    Popular 3.0 KW flow thru 15" heater with stud made by Balboa for European and 50 Hz systems that utilize the M7 heater design. Can be found in the Balboa VS, GS and BP systems. The assembly includes...
    MSRP: $325.00
    $280.99
    Qty in Cart: 0
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    MSRP: $325.00
    $280.99
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  • Fits Watkins Heater Union Gasket Set of  (2) 2 5/8" Lip Hot Tub Spa 2" Heater  Gasket with 2 5/8" Center to Center Groove Fits Watkins Heater Union Gasket Set of  (2) 2 5/8" Lip Hot Tub Spa 2" Heater  Gasket with 2 5/8" Center to Center Groove
Note: This Gasket is the exception not the rule so be sure you measure the lip on the gasket 2 5/8" Center to Center and the groove in your union for the lip to fit in.. If it is 2 1/2" look for a regular 2: pump heater union gasket...
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    MSRP: $14.99
    $8.99
    Qty in Cart: 0
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    MSRP: $14.99
    $8.99
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  • Balboa 4.0 KW Flo-Thru Heater, 15" w/ Pressure Switch Balboa 4.0 KW Flo-Thru Heater, 15" w/ Pressure Switch
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    Balboa 4.0 KW Flo-Thru Heater, 15" w/ Pressure Switch

    MSRP: $299.99
    $219.99
    Balboa 4.0 KW (4000 watt) 15" flo-thru heater with 2" unions. This popular heater is found on older legacy models of Balboa spa packs and controls such as the light leader and early M2 and M3 systems...
    MSRP: $299.99
    $219.99
    Qty in Cart: 0
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    MSRP: $299.99
    $219.99
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  • Cal Spa 5.5 KW Replacement Flo Thru Heater Assembly, 16.25", HEA14100070 Cal Spa 5.5 KW Replacement Flo Thru Heater Assembly, 16.25", HEA14100070
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    Cal Spa 5.5 KW Replacement Flo Thru Heater Assembly, 16.25", HEA14100070

    MSRP: $277.28
    $231.95
    Replacement 5.5 KW flo thru heater assembly for early 2000's Cal Spa models. Has a flange to flange length of 16.25" and includes 2" unions. The element has the standard 1-1/4" electrical terminal...
    MSRP: $277.28
    $231.95
    Qty in Cart: 0
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    MSRP: $277.28
    $231.95
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  • IN.YJ Gecko Heat.Wav 1.0/4.0 115/230V Flow Thru Heater
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    IN.YJ Gecko Heat.Wav 1.0/4.0 115/230V Flow Thru Heater

    MSRP: $379.99
    $299.99
    This part is a Heater Assembly, Gecko, Heat.Wav, IN.YJ, 1.0/4.0kW, 120/240v, 2" x 15", w/Temp and Flow Sensors, w/4' Terminated Cable Heater Type Flow Thru Heater Wattage 4.0/5.5kW
    MSRP: $379.99
    $299.99
    Qty in Cart: 0
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    MSRP: $379.99
    $299.99
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