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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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1" Electric Heating Element, 120 VAC / 1000 Watt - ELX-2E7-250

Aqua-Hot
$49.43
$49.43 - $49.43
$49.43
$44.49
$44.49 - $44.49
$44.49

The 120 VAC / 1000 Watt electric heating element is a direct replacement part used in the Aqua-Hot hydronic heating systems. This component efficie...

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$49.43
$49.43 - $49.43
$49.43
$44.49
$44.49 - $44.49
$44.49
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100-200 Series Controller Kit, 12VDC - ELE-100-010

Aqua-Hot
$521.65
$521.65 - $521.65
$521.65
$469.49
$469.49 - $469.49
$469.49

The 100–200 Series Controller Kit, 12VDC is a direct replacement part used in Aqua-Hot 100 and 200 Series hydronic heating systems to manage igniti...

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$521.65
$521.65 - $521.65
$521.65
$469.49
$469.49 - $469.49
$469.49
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10K NTC Thermistor (Black) Room Temperature Sensor - ELX-THM-310

Aqua-Hot
$7.82
$7.82 - $7.82
$7.82
$7.04
$7.04 - $7.04
$7.04

The 10K NTC Thermistor (Black) Room Temperature Sensor is a direct replacement part used in Aqua-Hot hydronic heating systems to monitor interior c...

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$7.82
$7.82 - $7.82
$7.82
$7.04
$7.04 - $7.04
$7.04
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10K NTC Thermistor (White) Room Temperature Sensor - ELX-THM-309

Aqua-Hot
$7.82
$7.82 - $7.82
$7.82
$7.04
$7.04 - $7.04
$7.04

The 10K NTC Thermistor (White) Room Temperature Sensor is a direct replacement part used in Aqua-Hot hydronic heating systems to monitor interior c...

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$7.82
$7.82 - $7.82
$7.82
$7.04
$7.04 - $7.04
$7.04
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12 VDC Komfort Motor - EXX-D15-241

Aqua-Hot
$201.99
$201.99 - $201.99
$201.99
$161.59
$161.59 - $161.59
$161.59
Low stock

The 12VDC Komfort motor is a direct replacement part specifically designed for use in Komfort Heat Exchangers within Aqua-Hot & Hydro-Hot hydro...

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$201.99
$201.99 - $201.99
$201.99
$161.59
$161.59 - $161.59
$161.59
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16 Pole Terminal Electronic Controller Plug - ELX-312-116

Aqua-Hot
$14.23
$14.23 - $14.23
$14.23
$12.81
$12.81 - $12.81
$12.81

The 16 Pole Terminal Electronic Controller Plug is a direct replacement part used in Aqua-Hot & Hydro-Hot hydronic heating systems to connect k...

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$14.23
$14.23 - $14.23
$14.23
$12.81
$12.81 - $12.81
$12.81
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185 Degree F Control Thermostat w/Spade Connectors - ELE-800-108

Aqua-Hot
$37.08
$37.08 - $37.08
$37.08
$33.37
$33.37 - $33.37
$33.37

The 185°F control thermostat is a direct replacement part equipped with spade connectors, commonly utilized in Aqua-Hot hydronic heating systems to...

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$37.08
$37.08 - $37.08
$37.08
$33.37
$33.37 - $33.37
$33.37
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2-Position Switch Panel Assembly - ELE-000-508

Aqua-Hot
$49.42
$49.42 - $49.42
$49.42
$44.48
$44.48 - $44.48
$44.48
Low stock

The 2-Position Switch Panel Assembly is a direct replacement part used in Aqua-Hot & Hydro-Hot hydronic heating systems to control key function...

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$49.42
$49.42 - $49.42
$49.42
$44.48
$44.48 - $44.48
$44.48
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20 Pole Terminal Electronic Controller Plug - ELX-312-491

Aqua-Hot
$20.02
$20.02 - $20.02
$20.02
$18.02
$18.02 - $18.02
$18.02

The 20 Pole Terminal Electronic Controller Plug is a direct replacement part used in Aqua-Hot & Hydro-Hot hydronic heating systems to connect k...

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$20.02
$20.02 - $20.02
$20.02
$18.02
$18.02 - $18.02
$18.02
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200 Relay Control Board - ELE-RCB-200

Aqua-Hot
$248.07
$248.07 - $248.07
$248.07
$223.26
$223.26 - $223.26
$223.26
Low stock

The 200 Relay Control Board is a direct replacement part used in Aqua-Hot 200 Series hydronic heating systems to manage power distribution and cont...

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$248.07
$248.07 - $248.07
$248.07
$223.26
$223.26 - $223.26
$223.26
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215 Degree F VAC High Limit Thermostat w/Ring Terminal - ELE-000-614-FRU

Aqua-Hot
$20.46
$20.46 - $20.46
$20.46
$18.41
$18.41 - $18.41
$18.41

The  215°F VAC High Limit Thermostat with Ring Terminal is a direct replacement part used in Aqua-Hot hydronic heating systems as a safety componen...

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$20.46
$20.46 - $20.46
$20.46
$18.41
$18.41 - $18.41
$18.41
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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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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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220 Degree F VAC Dual High Limit Thermostat - ELE-WHL-402

Aqua-Hot
$491.07
$491.07 - $491.07
$491.07
$441.96
$441.96 - $441.96
$441.96

The 220°F VAC dual high limit thermostat is a direct replacement part specifically engineered for dual-element Aqua-Hot hydronic heating systems. T...

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$491.07
$491.07 - $491.07
$491.07
$441.96
$441.96 - $441.96
$441.96
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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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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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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
Low stock

The 3-Position Switch Panel Assembly is a direct replacement used in Aqua-Hot & Hydro-Hot hydronic heating systems to control multiple system f...

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$112.30
$112.30 - $112.30
$112.30
$101.07
$101.07 - $101.07
$101.07
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3 Position Terminal Block, 22-8 AWG - ELE-000-905

Aqua-Hot
$15.11
$15.11 - $15.11
$15.11
$13.60
$13.60 - $13.60
$13.60

The 3-position terminal block is a direct replacement part designed to accommodate wire sizes ranging from 22 to 8 AWG. This component is commonly ...

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$15.11
$15.11 - $15.11
$15.11
$13.60
$13.60 - $13.60
$13.60
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3 Quart Expansion Bottle With Sensor Kit - MSE-200-OFB

Aqua-Hot
$123.56
$123.56 - $123.56
$123.56
$111.20
$111.20 - $111.20
$111.20
Low stock

The 3 Quart Expansion Bottle With Sensor Kit are direct replacement parts used in Aqua-Hot hydronic heating systems to monitor antifreeze fluid lev...

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$123.56
$123.56 - $123.56
$123.56
$111.20
$111.20 - $111.20
$111.20
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3-Way Valve Kit w/Fittings (250 Series) - PLE-251-D01

Aqua-Hot
$122.03
$122.03 - $122.03
$122.03
$109.83
$109.83 - $109.83
$109.83

The 3-Way Valve Kit with Fittings is a direct replacement used in Aqua-Hot 250 Series hydronic heating systems to control the flow of heated fluid ...

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$122.03
$122.03 - $122.03
$122.03
$109.83
$109.83 - $109.83
$109.83
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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 direct replacement part designed for custom control panel installations in RV hydronic heating systems, ...

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$21.37
$21.37 - $21.37
$21.37
$19.23
$19.23 - $19.23
$19.23
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4-Position Switch Panel Assembly - ELE-000-908

Aqua-Hot
$71.61
$71.61 - $71.61
$71.61
$64.45
$64.45 - $64.45
$64.45
Low stock

The 4-Position Switch Panel Assembly is a direct replacement part used in Aqua-Hot & Hydro-Hot hydronic heating systems to control key function...

View full details
$71.61
$71.61 - $71.61
$71.61
$64.45
$64.45 - $64.45
$64.45
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40A SPDT Automotive Relay - ELX-375-040

Aqua-Hot
$11.00
$11.00 - $11.00
$11.00
$9.90
$9.90 - $9.90
$9.90

The 40A SPDT Automotive Relay is a direct replacement part used in Aqua-Hot & Hydro-Hot hydronic heating systems to control high-current electr...

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$11.00
$11.00 - $11.00
$11.00
$9.90
$9.90 - $9.90
$9.90
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5 Qt. Expansion Tank Only w/Label - PLE-622-902

Aqua-Hot
$115.28
$115.28 - $115.28
$115.28
$103.75
$103.75 - $103.75
$103.75
Low stock

The 5-quart overflow bottle is a direct replacement part designed for use in Aqua-Hot hydronic heating systems. This component serves as an expansi...

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$115.28
$115.28 - $115.28
$115.28
$103.75
$103.75 - $103.75
$103.75
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