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FREE USPS GROUND ADVANTAGE SHIPPING on items OVER $75.00 (UNDER 1 LB.) based on the weight per item. If you can't find a part you are looking for, call or text us at 970-518-3085! Holiday Notice: Please be advised that we will be closed for the holidays on December 24–26, 2025, and December 31, 2025 through January 2, 2026.
FREE USPS GROUND ADVANTAGE SHIPPING on items OVER $75.00 (UNDER 1 LB.) based on weight per item. If you can't find a part you are looking for, call or text us at 970-518-3085! Holiday Notice: Please be advised that we will be closed for the holidays on December 24–26, 2025, and December 31, 2025 through January 2, 2026.

Holiday Closure Notice

Please be advised that we will be closed for the holidays on December 24–26, 2025, and December 31, 2025 through January 2, 2026.

Thank you for your patience and understanding!

— The Heat My RV Team

Aqua-Hot

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Combustion Chamber Tube Gasket - HDE-700-205

Aqua-Hot
$9.54
$9.54 - $9.54
$9.54
$8.59
$8.59 - $8.59
$8.59

The combustion chamber tube gasket is a direct replacement part designed to seal the joint between the boiler tank and combustion chamber in Aqua-H...

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$9.54
$9.54 - $9.54
$9.54
$8.59
$8.59 - $8.59
$8.59
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Save 10% Save %

Control Thermostat, 175-188F - ELE-016-012

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

The 175-188°F Control Thermostat is a direct replacement and is a crucial component for maintaining precise temperature regulation in your Aqua-Hot...

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$64.88
$64.88 - $64.88
$64.88
$58.39
$58.39 - $58.39
$58.39
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Save 10% Save %

Buehler Pump Kit, Retrofit Kit - PLE-100-905-FRU

Aqua-Hot
$219.94
$219.94 - $219.94
$219.94
$197.95
$197.95 - $197.95
$197.95

The Buehler Pump, Retrofit Kit is designed to upgrade older circulation, stir, or engine preheat pumps in Aqua-Hot & Hydro-Hot hydronic heating...

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$219.94
$219.94 - $219.94
$219.94
$197.95
$197.95 - $197.95
$197.95
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Save 24% Save %

Annual Service Kit, Garber & .35 Nozzle - Johns Custom Kits - JCH-GRB-KIT

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

The Annual Service Kit, Garber & .35 Nozzle is used in Aqua-Hot & Hydro-Hot diesel heating systems for routine burner maintenance. This kit...

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$62.09
$62.09 - $62.09
$62.09
$47.35
$47.35 - $47.35
$47.35
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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 120 VAC / 1650 Watt electric heating element is a direct replacement part used in the Aqua-Hot & Hydro-Hot hydronic heating systems. This c...

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$43.25
$43.25 - $43.25
$43.25
$34.60
$34.60 - $34.60
$34.60
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215 F Degree, VDC, High Limit Thermostat w/ Spade Connectors - ELE-HLT-425

Aqua-Hot
$21.99
$21.99 - $21.99
$21.99
$19.79
$19.79 - $19.79
$19.79

The 215°F, VDC, High Limit Thermostat with Spade Connectors, DC is a direct replacement part used in Aqua-Hot & Hydro-Hot hydronic heating syst...

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$21.99
$21.99 - $21.99
$21.99
$19.79
$19.79 - $19.79
$19.79
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Save 10% Save %

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

Aqua-Hot
$598.08
$598.08 - $598.08
$598.08
$538.27
$538.27 - $538.27
$538.27

The Electronic Control PC Board is a direct replacement for select Aqua-Hot & Hydro-Hot hydronic heating systems (12VDC). Refer to the compatib...

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$598.08
$598.08 - $598.08
$598.08
$538.27
$538.27 - $538.27
$538.27
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Save 22% Save %

Aqua-Hot Annual Service Kit - Johns Custom Kits – JCH-4XX-KIT

Aqua-Hot
$71.63
$71.63 - $71.63
$71.63
$55.94
$55.94 - $55.94
$55.94

The Aqua-Hot Annual Service Kit, Johns Custom Kit is designed to provide all the essential components needed for yearly maintenance on Aqua-Hot hyd...

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$71.63
$71.63 - $71.63
$71.63
$55.94
$55.94 - $55.94
$55.94
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Save 20% Save %

Garber R Fuel Filter - FLE-120-100

Aqua-Hot
$35.44
$35.44 - $35.44
$35.44
$28.35
$28.35 - $28.35
$28.35

The Garber R Fuel Filter is a direct replacement part for maintaining clean fuel delivery to the Aqua-Hot & Hydro-Hot hydronic heating systems....

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$35.44
$35.44 - $35.44
$35.44
$28.35
$28.35 - $28.35
$28.35
Save 20% Save %
Sold out

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

Aqua-Hot
$145.52
$145.52 - $145.52
$145.52
$130.97
$130.97 - $130.97
$130.97
Out of stock

The Buehler Pump Assembly designed for Aqua-Hot hydronic heating systems. This assembly includes the pump, harness, and terminals, facilitating eff...

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$145.52
$145.52 - $145.52
$145.52
$130.97
$130.97 - $130.97
$130.97
Sold out
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215 F Degree, VAC, High Limit Thermostat w/Leads – ELE-HLT-426

Aqua-Hot
$26.85
$26.85 - $26.85
$26.85
$24.17
$24.17 - $24.17
$24.17

The 215 F, VAC, high-limit thermostat a direct replacement part designed for Aqua-Hot & Hydro-Hot hydronic heating systems. This thermostat ser...

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$26.85
$26.85 - $26.85
$26.85
$24.17
$24.17 - $24.17
$24.17
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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 high-limit thermostat is a direct replacement part designed for Aqua-Hot & Hydro-Hot hydronic heating systems. This thermostat serves...

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$52.54
$52.54 - $52.54
$52.54
$47.29
$47.29 - $47.29
$47.29
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Save 5% Save %

Thermistor, Tank Temperature Sensor - ELE-014-712

Aqua-Hot
$32.65
$32.65 - $32.65
$32.65
$31.02
$31.02 - $31.02
$31.02

The Thermistor is the temperature sensor for all new tanks in the Aqua-Hot heating systems.  Same part as ELE-014-711 ----------------------------...

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$32.65
$32.65 - $32.65
$32.65
$31.02
$31.02 - $31.02
$31.02
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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

The 13 PSI radiator cap a direct replacement part designed for use with Aqua-Hot & Hydro-Hot hydronic heating systems. This cap maintains the ...

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$30.84
$30.84 - $30.84
$30.84
$18.00
$18.00 - $18.00
$18.00
Save 42% 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 high-limit thermostat is a direct replacement part designed for Aqua-Hot & Hydro-Hot hydronic heating systems. This thermostat serves...

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$52.54
$52.54 - $52.54
$52.54
$47.29
$47.29 - $47.29
$47.29
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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 30-amp coil relay designed to control power within Aqua-Hot & Hydro-Hot hydronic heating systems. This relay operates with a 12V DC coil an...

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$77.61
$77.61 - $77.61
$77.61
$62.09
$62.09 - $62.09
$62.09
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Save 10% Save %

Pressure Relief Valve, 125 PSI - PLX-111-125

Aqua-Hot
$135.40
$135.40 - $135.40
$135.40
$121.86
$121.86 - $121.86
$121.86

The Pressure Relief Valve is a direct replacement part designed for Aqua-Hot & Hydro-Hot hydronic heating systems. It regulates and maintains w...

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$135.40
$135.40 - $135.40
$135.40
$121.86
$121.86 - $121.86
$121.86
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Save 28% Save %

Red/Pink Annual Service Kit, Pink - Johns Custom Kits - JCH-ASK-PNK

Aqua-Hot
$252.95
$252.95 - $252.95
$252.95
$182.56
$182.56 - $182.56
$182.56

This Red/Pink Annual Service Kit, Garber are direct replacement parts used in Aqua-Hot hydronic heating systems with Red/Pink antifreeze. This kit ...

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$252.95
$252.95 - $252.95
$252.95
$182.56
$182.56 - $182.56
$182.56
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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
Low stock

The Cozy III Heat Exchanger is a direct replacement part used in Aqua-Hot, Hydro-Hot & Webasto hydronic heating systems to distribute interior ...

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$153.47
$153.47 - $153.47
$153.47
$138.12
$138.12 - $138.12
$138.12
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Save 10% Save %

Low Temp Cut-Off Thermostat w/ Spade Connectors - ELE-LTC-608

Aqua-Hot
$27.82
$27.82 - $27.82
$27.82
$25.04
$25.04 - $25.04
$25.04

The Low Temp Cut-Off Thermostat is a direct replacement part used in Aqua-Hot hydronic heating systems, activating stur pump & burner when flui...

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$27.82
$27.82 - $27.82
$27.82
$25.04
$25.04 - $25.04
$25.04
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Save 25% Save %

Brass Float Switch with Connectors - ELE-800-002

Aqua-Hot
$477.80
$477.80 - $477.80
$477.80
$358.35
$358.35 - $358.35
$358.35

The Brass Float Switch is a direct replacement part used in Aqua-Hot & Hydro-Hot hydronic heating systems to monitor antifreeze fluid levels in...

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$477.80
$477.80 - $477.80
$477.80
$358.35
$358.35 - $358.35
$358.35
Save 25% Save %
Save 30% Save %

Brass Check Valve 1/2 in. x 1/2 in. - PLX-2A1-300

Aqua-Hot
$98.96
$98.96 - $98.96
$98.96
$69.27
$69.27 - $69.27
$69.27

The Brass Check Valve is a direct replacement part designed for maintaining proper coolant flow in hydronic heating systems. Constructed from durab...

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$98.96
$98.96 - $98.96
$98.96
$69.27
$69.27 - $69.27
$69.27
Save 30% Save %
Save 28% Save %

Yellow/Green Annual Service Kit, Garber - Johns Custom Kits - JCH-ASK-GRN

Aqua-Hot
$252.95
$252.95 - $252.95
$252.95
$182.56
$182.56 - $182.56
$182.56

This Yellow/Green Annual Service Kit, Garber are direct replacement parts used in Aqua-Hot hydronic heating systems with yellow/green antifreeze. T...

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$252.95
$252.95 - $252.95
$252.95
$182.56
$182.56 - $182.56
$182.56
Save 28% Save %
Save 54% Save %

Annual Service Kit - Johns Custom Kits – JCH-RCR-KIT

Aqua-Hot
$168.64
$168.64 - $168.64
$168.64
$77.14
$77.14 - $77.14
$77.14

The Annual Service Kit, Johns Custom Kits is used in Aqua-Hot & Hydro-Hot diesel heating systems for routine yearly maintenance. This kit inclu...

View full details
$168.64
$168.64 - $168.64
$168.64
$77.14
$77.14 - $77.14
$77.14
Save 54% Save %

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