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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! *** INDEPENDENCE DAY CLOSURE NOTICE *** We will be closed on July 2nd & July 3rd, orders placed during this time will ship on Monday, July 6th. We wish everyone a safe and Happy 4th of July!
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 Closure Notice

We will be closed on July 2nd & July 3rd in observance of Independence Day. Orders placed during this time will ship on Monday, July 6th.

We wish everyone a safe and happy 4th of July! Enjoy the holiday, celebrate freedom, and have a wonderful time with family and friends.

Happy Independence Day!

— The Heat My RV Team

All Parts

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

Aqua-Hot
Original price $168.64
Original price $168.64 - Original price $168.64
Original price $168.64
Current price $77.14
$77.14 - $77.14
Current price $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...

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Original price $168.64
Original price $168.64 - Original price $168.64
Original price $168.64
Current price $77.14
$77.14 - $77.14
Current price $77.14
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Yellow/Green Century Boiler Antifreeze, Gallon – MSX-300-300

Aqua-Hot
Original price $91.99
Original price $91.99 - Original price $91.99
Original price $91.99
Current price $40.90
$40.90 - $40.90
Current price $40.90

The Yellow/Green Century Boiler Antifreeze, Gallon is used in Aqua-Hot, Hydro-Hot, Hurricane & Oasis hydronic heating systems to protect agains...

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Original price $91.99
Original price $91.99 - Original price $91.99
Original price $91.99
Current price $40.90
$40.90 - $40.90
Current price $40.90
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Low Temp Cut-Off Thermostat Assembly - ELE-000-606

Aqua-Hot
Original price $35.54
Original price $35.54 - Original price $35.54
Original price $35.54
Current price $31.99
$31.99 - $31.99
Current price $31.99

The Low Temp Cut-Off Thermostat Assembly is a direct replacement part in Aqua-Hot & Hydro-Hot hydronic heating systems, designed to monitor and...

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Original price $35.54
Original price $35.54 - Original price $35.54
Original price $35.54
Current price $31.99
$31.99 - $31.99
Current price $31.99
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Mixer Valve, Tempering 145°F - PLX-09P-100

Aqua-Hot
Original price $497.86
Original price $497.86 - Original price $497.86
Original price $497.86
Current price $297.80
$297.80 - $297.80
Current price $297.80

The 145°F tempering mixer valve designed for Aqua-Hot and Hydro-Hot hydronic heating systems. This valve blends hot water from the system's tank wi...

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Original price $497.86
Original price $497.86 - Original price $497.86
Original price $497.86
Current price $297.80
$297.80 - $297.80
Current price $297.80
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Pink/Red Century Boiler Antifreeze, Gallon - MSX-300-270

Aqua-Hot
Original price $91.99
Original price $91.99 - Original price $91.99
Original price $91.99
Current price $40.90
$40.90 - $40.90
Current price $40.90

The Pink/Red Century Boiler Antifreeze, Gallon is used in Aqua-Hot, Hydro-Hot, Hurricane & Oasis hydronic heating systems to protect against fr...

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Original price $91.99
Original price $91.99 - Original price $91.99
Original price $91.99
Current price $40.90
$40.90 - $40.90
Current price $40.90
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Blue Dot Thermostat, VDC Control 190 Degree F - ELE-L08-190

Aqua-Hot
Original price $80.33
Original price $80.33 - Original price $80.33
Original price $80.33
Current price $72.30
$72.30 - $72.30
Current price $72.30

The Blue Dot Thermostat is a direct replacement part used in Aqua-Hot & Hydro-Hot hydronic heating systems. Engineered to activate at 190 degre...

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Original price $80.33
Original price $80.33 - Original price $80.33
Original price $80.33
Current price $72.30
$72.30 - $72.30
Current price $72.30
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Black Dot Hi-Limit Thermostat, VDC Control 230 Degree F - ELE-L08-230

Aqua-Hot
Original price $88.33
Original price $88.33 - Original price $88.33
Original price $88.33
Current price $79.50
$79.50 - $79.50
Current price $79.50

The Black Dot Hi-Limit Thermostat is a direct replacement part used in Aqua-Hot & Hydro-Hot hydronic heating systems as a safety device to prev...

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Original price $88.33
Original price $88.33 - Original price $88.33
Original price $88.33
Current price $79.50
$79.50 - $79.50
Current price $79.50
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Red Dot Control Thermostat, VAC Control 198 Degree F - ELE-010-198

Aqua-Hot
Original price $76.66
Original price $76.66 - Original price $76.66
Original price $76.66
Current price $68.99
$68.99 - $68.99
Current price $68.99

The 198°F Red Dot Control Thermostat is a direct replacement part designed for Aqua-Hot hydronic heating systems. This AC thermostat monitors the b...

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Original price $76.66
Original price $76.66 - Original price $76.66
Original price $76.66
Current price $68.99
$68.99 - $68.99
Current price $68.99
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White Dot Thermostat, VAC Control 230 Degree F - ELE-254-010

Aqua-Hot
Original price $48.85
Original price $48.85 - Original price $48.85
Original price $48.85
Current price $43.97
$43.97 - $43.97
Current price $43.97

The White Dot Thermostat is a direct replacement part used in Aqua-Hot hydronic heating systems as a safety shutoff to prevent overheating. This th...

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Original price $48.85
Original price $48.85 - Original price $48.85
Original price $48.85
Current price $43.97
$43.97 - $43.97
Current price $43.97
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Red/Pink Century Boiler Antifreeze, Quart - MSX-300-275

Aqua-Hot
Original price $55.99
Original price $55.99 - Original price $55.99
Original price $55.99
Current price $39.93
$39.93 - $39.93
Current price $39.93

The Red/Pink Century Boiler Antifreeze, Quart is a propylene glycol-based antifreeze specifically formulated for use in Aqua-Hot & Hydro-Hot ...

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Original price $55.99
Original price $55.99 - Original price $55.99
Original price $55.99
Current price $39.93
$39.93 - $39.93
Current price $39.93
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Yellow/Green Century Boiler Antifreeze, Quart - MSX-300-GRN

Aqua-Hot
Original price $55.99
Original price $55.99 - Original price $55.99
Original price $55.99
Current price $26.36
$26.36 - $26.36
Current price $26.36

The Yellow/Green Century Boiler Antifreeze, Quart is a propylene glycol-based antifreeze specifically formulated for use in Aqua-Hot & Hydro-Ho...

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Original price $55.99
Original price $55.99 - Original price $55.99
Original price $55.99
Current price $26.36
$26.36 - $26.36
Current price $26.36
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3-Way Valve Kit w/Fittings (250 Series) - PLE-251-D01

Aqua-Hot
Original price $122.03
Original price $122.03 - Original price $122.03
Original price $122.03
Current price $109.83
$109.83 - $109.83
Current price $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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Original price $122.03
Original price $122.03 - Original price $122.03
Original price $122.03
Current price $109.83
$109.83 - $109.83
Current price $109.83
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Interlock Switch, 12VDC - ELX-000-051

Aqua-Hot
Original price $21.22
Original price $21.22 - Original price $21.22
Original price $21.22
Current price $19.10
$19.10 - $19.10
Current price $19.10

The Interlock Switch, 12VDC is a direct replacement part used in Aqua-Hot hydronic heating systems to ensure safety by controlling power to enable ...

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Original price $21.22
Original price $21.22 - Original price $21.22
Original price $21.22
Current price $19.10
$19.10 - $19.10
Current price $19.10
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Low Temp Cut-Off Thermostat w/Spade Terminals - ELE-LTC-200

Aqua-Hot
Original price $59.92
Original price $59.92 - Original price $59.92
Original price $59.92
Current price $53.93
$53.93 - $53.93
Current price $53.93

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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Original price $59.92
Original price $59.92 - Original price $59.92
Original price $59.92
Current price $53.93
$53.93 - $53.93
Current price $53.93
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Burner Controller Card - ELX-375-025

Aqua-Hot
Original price $246.45
Original price $246.45 - Original price $246.45
Original price $246.45
Current price $221.81
$221.81 - $221.81
Current price $221.81

The Burner Controller Card is a direct replacement part used in Aqua-Hot hydronic heating systems to manage burner ignition, flame monitoring, and ...

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Original price $246.45
Original price $246.45 - Original price $246.45
Original price $246.45
Current price $221.81
$221.81 - $221.81
Current price $221.81
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Aqua-Hot Touchscreen Reporter w/Enclosure & Terminals Kit, 12VDC - ELE-PCB-501

Aqua-Hot
Original price $560.42
Original price $560.42 - Original price $560.42
Original price $560.42
Current price $504.38
$504.38 - $504.38
Current price $504.38

The Aqua-Hot Touchscreen Reporter Controller w/ Enclosure & Terminals Kit is a direct replacement part used in Aqua-Hot hydronic heating system...

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Original price $560.42
Original price $560.42 - Original price $560.42
Original price $560.42
Current price $504.38
$504.38 - $504.38
Current price $504.38
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3 Position Switch Panel Assembly - ELE-000-509

Aqua-Hot
Original price $112.30
Original price $112.30 - Original price $112.30
Original price $112.30
Current price $101.07
$101.07 - $101.07
Current price $101.07

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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Original price $112.30
Original price $112.30 - Original price $112.30
Original price $112.30
Current price $101.07
$101.07 - $101.07
Current price $101.07
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Fuel Line Replacement Kit - FLE-421-852-FRU

Aqua-Hot
Original price $56.74
Original price $56.74 - Original price $56.74
Original price $56.74
Current price $51.07
$51.07 - $51.07
Current price $51.07

The Fuel Line Replacement Kit is a direct replacement kit used on Aqua-Hot Hydronic Heating systems for worn or damaged fuel lines. This kit provid...

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Original price $56.74
Original price $56.74 - Original price $56.74
Original price $56.74
Current price $51.07
$51.07 - $51.07
Current price $51.07
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100-200 Series Controller Kit, 12VDC - ELE-100-010

Aqua-Hot
Original price $521.65
Original price $521.65 - Original price $521.65
Original price $521.65
Current price $469.49
$469.49 - $469.49
Current price $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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Original price $521.65
Original price $521.65 - Original price $521.65
Original price $521.65
Current price $469.49
$469.49 - $469.49
Current price $469.49
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3 Qt. Overflow Bottle - PLE-070-401

Aqua-Hot
Original price $97.62
Original price $97.62 - Original price $97.62
Original price $97.62
Current price $87.86
$87.86 - $87.86
Current price $87.86
Low stock

The 3-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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Original price $97.62
Original price $97.62 - Original price $97.62
Original price $97.62
Current price $87.86
$87.86 - $87.86
Current price $87.86
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8 Pole Terminal Electronic Controller Plug - ELX-312-499

Aqua-Hot
Original price $7.96
Original price $7.96 - Original price $7.96
Original price $7.96
Current price $7.16
$7.16 - $7.16
Current price $7.16

The 8 Pole Terminal Electronic Controller Plug is a direct replacement part used in Aqua-Hot & Hydro-Hot hydronic heating systems to connect ke...

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Original price $7.96
Original price $7.96 - Original price $7.96
Original price $7.96
Current price $7.16
$7.16 - $7.16
Current price $7.16
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200 Relay Control Board - ELE-RCB-200

Aqua-Hot
Original price $248.07
Original price $248.07 - Original price $248.07
Original price $248.07
Current price $223.26
$223.26 - $223.26
Current price $223.26

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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Original price $248.07
Original price $248.07 - Original price $248.07
Original price $248.07
Current price $223.26
$223.26 - $223.26
Current price $223.26
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Electric Heating Element, 120 VAC / 2000 Watt - ELX-G12-07L

Aqua-Hot
Original price $53.25
Original price $53.25 - Original price $53.25
Original price $53.25
Current price $47.93
$47.93 - $47.93
Current price $47.93

The 120 VAC / 2000 Watt electric heating element is a direct replacement part designed for Aqua-Hot hydronic heating systems. This component effici...

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Original price $53.25
Original price $53.25 - Original price $53.25
Original price $53.25
Current price $47.93
$47.93 - $47.93
Current price $47.93
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Refractometer, Battery/Coolant Tester - MSX-907-162

Aqua-Hot
Original price $112.35
Original price $112.35 - Original price $112.35
Original price $112.35
Current price $89.88
$89.88 - $89.88
Current price $89.88

The Refractometer, Battery/Coolant Tester is used in Aqua-Hot & Hydro-Hot hydronic heating systems to accurately measure the freeze point and c...

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Original price $112.35
Original price $112.35 - Original price $112.35
Original price $112.35
Current price $89.88
$89.88 - $89.88
Current price $89.88
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