Skip to content
FREE USPS GROUND ADVANTAGE SHIPPING on items OVER $75.00 (UNDER 2 LBS.) based on the website weight per item. If you can't find a part you are looking for, call or text us at 970-518-3085! HOLIDAY CLOSURE MONDAY - WEDNESDAY (DECEMBER 30 - JANUARY 1)
FREE USPS GROUND ADVANTAGE SHIPPING on items OVER $75.00 (UNDER 2 LBS.) based on the website weight per item. If you can't find a part you are looking for, call or text us at 970-518-3085! HOLIDAY CLOSURE MONDAY - WEDNESDAY (DECEMBER 30 - JANUARY 1)
Hydro-Hot

Hydro-Hot

Filters

  • Save 10% Save %

    Control Thermstat, 175-188 degrees F - ELE-016-012

    Aqua-Hot
    $64.88
    $64.88 - $64.88
    $64.88
    $58.39
    $58.39 - $58.39
    $58.39

    The Control Thermostat is a standard on most Aqua-Hot & Hydro-Hot heating systems. Replaces: ELE-014-005, ELE-800-108, ELE-175-188, ELE-014-010...

    View full details
    $64.88
    $64.88 - $64.88
    $64.88
    $58.39
    $58.39 - $58.39
    $58.39
    Save 10% Save %
  • Save 24% Save %

    Annual Service Kit, Garber Fuel Filter & Nozzle .35 - John's Custom Kits - JCH-GRB-KIT

    Aqua-Hot
    $62.09
    $62.09 - $62.09
    $62.09
    $47.35
    $47.35 - $47.35
    $47.35

    This kit is for performing an annual service on the Aqua-Hot and Hydro-Hot heating systems. Please verify fuell filter on rv before purchase. This ...

    View full details
    $62.09
    $62.09 - $62.09
    $62.09
    $47.35
    $47.35 - $47.35
    $47.35
    Save 24% Save %
  • Save 10% Save %

    Electronic Control PC Board, 12 VDC - ELE-PC4-010-AA

    Aqua-Hot
    $561.08
    $561.08 - $561.08
    $561.08
    $504.97
    $504.97 - $504.97
    $504.97

    The Electronic Control PC Board is a standard part on most Aqua-Hot & Hydro-Hot heating systems. This is an electrical part and is NOT returnab...

    View full details
    $561.08
    $561.08 - $561.08
    $561.08
    $504.97
    $504.97 - $504.97
    $504.97
    Save 10% Save %
  • Save 20% Save %

    Electric Heating Element, 120 VAC / 1650 Watt - ELX-2E7-540

    Aqua-Hot
    $43.25
    $43.25 - $43.25
    $43.25
    $34.60
    $34.60 - $34.60
    $34.60

    The Electric Heating Element, 120V/1650W is used to heat up the antifreeze when the electric side is turned on.  ----------------------------------...

    View full details
    $43.25
    $43.25 - $43.25
    $43.25
    $34.60
    $34.60 - $34.60
    $34.60
    Save 20% Save %
  • Save 5% Save %

    Buehler 400/450 Pump Kit, Retrofit Kit - PLE-100-905-FRU

    Aqua-Hot
    $205.00
    $205.00 - $205.00
    $205.00
    $194.75
    $194.75 - $194.75
    $194.75

    The Buehler Pump Kit is used to retrofit the new style pumps that are on the new Aqua Hot systems to the Hydro-Hot systems. This pump can easily re...

    View full details
    $205.00
    $205.00 - $205.00
    $205.00
    $194.75
    $194.75 - $194.75
    $194.75
    Save 5% Save %
  • Save 49% Save %

    Annual Service Kit, Racor Fuel Filter & Nozzle .35 – Johns Custom Kits – JCH-RCR-KIT

    Aqua-Hot
    $135.85
    $135.85 - $135.85
    $135.85
    $69.55
    $69.55 - $69.55
    $69.55

    This kit is for performing an annual service on the Aqua-Hot, Hydro-Hot and Webasto diesel burner. Please verify fuel filter on rv before purchase....

    View full details
    $135.85
    $135.85 - $135.85
    $135.85
    $69.55
    $69.55 - $69.55
    $69.55
    Save 49% Save %
  • Save 10% Save %

    220 F Degree High Limit Thermostat - ELE-HLT-322

    Aqua-Hot
    $52.54
    $52.54 - $52.54
    $52.54
    $47.29
    $47.29 - $47.29
    $47.29

    The 220 F Degree High Limit Thermostat is a standard part on the Aqua-Hot & Hydro-Hot heating systems. Thermostat does not come with ring termi...

    View full details
    $52.54
    $52.54 - $52.54
    $52.54
    $47.29
    $47.29 - $47.29
    $47.29
    Save 10% Save %
  • Save 5% Save %

    Buehler Pump Assembly with Harness and Terminals - PLE-100-902

    Aqua-Hot
    $145.52
    $145.52 - $145.52
    $145.52
    $138.24
    $138.24 - $138.24
    $138.24

    The Buehler Pump is a direct repalcement for new style pumps that are on the new Aqua Hot systems. This pump is used for circulation, stir, or engi...

    View full details
    $145.52
    $145.52 - $145.52
    $145.52
    $138.24
    $138.24 - $138.24
    $138.24
    Save 5% Save %
  • Save 10% Save %

    Cozy III Heat Exchanger - EXE-103-0EX

    Aqua-Hot
    $153.47
    $153.47 - $153.47
    $153.47
    $138.12
    $138.12 - $138.12
    $138.12

    The Cozy III Heat Exchanger is used for blowing heat from Aqua-Hot, Hydro-Hot, or Webasto heating system. -----------------------------------------...

    View full details
    $153.47
    $153.47 - $153.47
    $153.47
    $138.12
    $138.12 - $138.12
    $138.12
    Save 10% Save %
  • Save 38% Save %

    Brass Float Switch - ELE-800-002

    Aqua-Hot
    $477.80
    $477.80 - $477.80
    $477.80
    $296.25
    $296.25 - $296.25
    $296.25

    The Float Switch is a safety switch that detects if the tank is full of antifreeze. ---------------------------------------------------------------...

    View full details
    $477.80
    $477.80 - $477.80
    $477.80
    $296.25
    $296.25 - $296.25
    $296.25
    Save 38% Save %
  • Save 49% Save %

    Century Boiler Antifreeze - 100 Transfer Fluid 1gl Pink - MSX-300-270

    Aqua-Hot
    $91.99
    $91.99 - $91.99
    $91.99
    $47.00
    $47.00 - $47.00
    $47.00

    Century Boiler Antifreeze is Aqua-Hot's new Propylene Glycol Antifreeze that can be put into older heating systems and is needed in the newer Aqua-...

    View full details
    $91.99
    $91.99 - $91.99
    $91.99
    $47.00
    $47.00 - $47.00
    $47.00
    Save 49% Save %
  • Save 10% Save %

    Rubber Gasket w/Adhesive - PLE-GAS-010

    Aqua-Hot
    $3.43
    $3.43 - $3.43
    $3.43
    $3.08
    $3.08 - $3.08
    $3.08

    The Rubber Gasket is a standard part that is used around the filler neck on most Aqua-Hot & Hydro-Hot heating systems.  -----------------------...

    View full details
    $3.43
    $3.43 - $3.43
    $3.43
    $3.08
    $3.08 - $3.08
    $3.08
    Save 10% Save %
  • Save 42% Save %

    Radiator Cap, 13 PSI - PLX-102-229

    Aqua-Hot
    $30.84
    $30.84 - $30.84
    $30.84
    $18.00
    $18.00 - $18.00
    $18.00

    ---------------------------------------------------------------------------------------------------------------------------------Whether your Hydr...

    View full details
    $30.84
    $30.84 - $30.84
    $30.84
    $18.00
    $18.00 - $18.00
    $18.00
    Save 42% Save %
  • Save 23% Save %

    Mixer Valve, Tempering 145°F - PLX-09P-100

    Aqua-Hot
    $387.14
    $387.14 - $387.14
    $387.14
    $297.80
    $297.80 - $297.80
    $297.80

    The Mixer Valve is used to mix hot water from the tank and cold water from the bus to make a desired temperature. This Mixer Valve is a standard pa...

    View full details
    $387.14
    $387.14 - $387.14
    $387.14
    $297.80
    $297.80 - $297.80
    $297.80
    Save 23% Save %
  • Save 20% Save %

    Coil Relay, 277 VAC 12VDC 30A - ELX-630-001

    Aqua-Hot
    $77.61
    $77.61 - $77.61
    $77.61
    $62.09
    $62.09 - $62.09
    $62.09

    The Coil Relay is used with the electric side of the Aqua-Hot & Hydro-Hot heating systems.  ---------------------------------------------------...

    View full details
    $77.61
    $77.61 - $77.61
    $77.61
    $62.09
    $62.09 - $62.09
    $62.09
    Save 20% Save %
  • Save 29% Save %

    Century Boiler Antifreeze - 100 Transfer Fluid 1qt Pink - MSX-300-275

    Aqua-Hot
    $55.99
    $55.99 - $55.99
    $55.99
    $39.93
    $39.93 - $39.93
    $39.93

    Century Boiler Antifreeze is Aqua-Hot's new Propylene Glycol Antifreeze that can be put into older heating systems and is needed in the newer Aqua-...

    View full details
    $55.99
    $55.99 - $55.99
    $55.99
    $39.93
    $39.93 - $39.93
    $39.93
    Save 29% Save %
  • Save 10% Save %

    4 Terminal 12V LED Rocker Switch 44X22 mm Cutout - ELX-283-283

    Aqua-Hot
    $21.37
    $21.37 - $21.37
    $21.37
    $19.23
    $19.23 - $19.23
    $19.23

    The 4 Terminal 12V LED Rocker Switch is a single terminal switch that is used on the 2-Position Switch Panel Assembly (ELE-000-508) and 3-Position ...

    View full details
    $21.37
    $21.37 - $21.37
    $21.37
    $19.23
    $19.23 - $19.23
    $19.23
    Save 10% Save %
  • Save 10% Save %

    220 F Degree High Limit Thermostat Kit - ELE-ASY-200-FRU

    Aqua-Hot
    $52.54
    $52.54 - $52.54
    $52.54
    $47.29
    $47.29 - $47.29
    $47.29

    The 220 F Degree High Limit Thermostat Kit is a standard part on the Aqua-Hot & Hydro-Hot heating systems.  -----------------------------------...

    View full details
    $52.54
    $52.54 - $52.54
    $52.54
    $47.29
    $47.29 - $47.29
    $47.29
    Save 10% Save %
  • Save 20% Save %

    Refractometer, Battery/Coolant Tester - MSX-907-162

    Aqua-Hot
    $112.35
    $112.35 - $112.35
    $112.35
    $89.88
    $89.88 - $89.88
    $89.88

    The Refractometer is used to test the antifreeze consintration levels. ----------------------------------------------------------------------------...

    View full details
    $112.35
    $112.35 - $112.35
    $112.35
    $89.88
    $89.88 - $89.88
    $89.88
    Save 20% Save %
  • Save 10% Save %

    3 Position Switch Panel Assembly - ELE-000-509

    Aqua-Hot
    $112.30
    $112.30 - $112.30
    $112.30
    $101.07
    $101.07 - $101.07
    $101.07

    The 3-Position Switch Panel Assembly is used to turn on the Burner, Electric, and Engine Preheat on the heating system. ---------------------------...

    View full details
    $112.30
    $112.30 - $112.30
    $112.30
    $101.07
    $101.07 - $101.07
    $101.07
    Save 10% Save %
  • Save 32% Save %

    Annual Service Kit, Racor, Green - Johns Custom Kits - JCH-R12-GRN

    Aqua-Hot
    $309.07
    $309.07 - $309.07
    $309.07
    $209.74
    $209.74 - $209.74
    $209.74

    This kit includes all the items to perform an annual service. Please verify fuel filter on rv before purchase. This kit includes:  Racor Fuel Filt...

    View full details
    $309.07
    $309.07 - $309.07
    $309.07
    $209.74
    $209.74 - $209.74
    $209.74
    Save 32% Save %
  • Save 10% Save %

    CONS Steel Fitting, #6 M - FLX-038-204

    Aqua-Hot
    $2.31
    $2.31 - $2.31
    $2.31
    $2.08
    $2.08 - $2.08
    $2.08

    The Steel Fitting Fitting is used to connect the fuel lines from the diesel burner to the supply and return steel fittings that lead to the rv's fu...

    View full details
    $2.31
    $2.31 - $2.31
    $2.31
    $2.08
    $2.08 - $2.08
    $2.08
    Save 10% Save %
  • Save 10% Save %

    Bosch Assist Pump Kit w/ Terminals - PLE-100-911

    Aqua-Hot
    $357.38
    $357.38 - $357.38
    $357.38
    $321.64
    $321.64 - $321.64
    $321.64

    The Bosch Booster Pump is an assisted/booster pump that help push fluid through the antifreeze lines on most Aqua-Hot, Hydro-Hot, and Webasto heati...

    View full details
    $357.38
    $357.38 - $357.38
    $357.38
    $321.64
    $321.64 - $321.64
    $321.64
    Save 10% Save %
  • Save up to 5% Save %

    Garber R Fuel Filter (Discount Bundle) - Johns Custom Kits - FLE-120-100

    Aqua-Hot
    $50.68 - $253.40
    $50.68 - $253.40
    $50.68
    $50.17 - $240.73
    $50.17 - $240.73
    $50.17

    The Garber R Fuel Filter is a standard part of Aqua-Hot & Hydro-Hot heating systems. ----------------------------------------------------------...

    View full details
    $50.68 - $253.40
    $50.68 - $253.40
    $50.68
    $50.17 - $240.73
    $50.17 - $240.73
    $50.17
    Save up to 5% Save %

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare