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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

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

Aqua-Hot
Original price $21.37
Original price $21.37 - Original price $21.37
Original price $21.37
Current price $19.23
$19.23 - $19.23
Current price $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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Original price $21.37
Original price $21.37 - Original price $21.37
Original price $21.37
Current price $19.23
$19.23 - $19.23
Current price $19.23
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Mixer Valve, 1/2" NPTM ESBE 120*F Tempering - PLX-362-100

Aqua-Hot
Original price $271.35
Original price $271.35 - Original price $271.35
Original price $271.35
Current price $244.22
$244.22 - $244.22
Current price $244.22

The 120°F Mixer Valve is a direct replacement part used in Aqua-Hot hydronic heating systems to regulate hot water temperature delivered to faucets...

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Original price $271.35
Original price $271.35 - Original price $271.35
Original price $271.35
Current price $244.22
$244.22 - $244.22
Current price $244.22
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215 Degree F VAC High Limit Thermostat w/Ring Terminal - ELE-000-614-FRU

Aqua-Hot
Original price $20.46
Original price $20.46 - Original price $20.46
Original price $20.46
Current price $18.41
$18.41 - $18.41
Current price $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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Original price $20.46
Original price $20.46 - Original price $20.46
Original price $20.46
Current price $18.41
$18.41 - $18.41
Current price $18.41
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Swing Bolt Assembly, Webasto (DBW2010) - Johns Custom Kits - JCH-363-618

Aqua-Hot
Original price $16.80
Original price $16.80 - Original price $16.80
Original price $16.80
Current price $14.00
$14.00 - $14.00
Current price $14.00

The Swing Bolt Assembly (JCH-363-618) is a standard component integral to the diesel burner in Aqua-Hot, Hydro-Hot, and Webasto DBW 2010 hydronic h...

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Original price $16.80
Original price $16.80 - Original price $16.80
Original price $16.80
Current price $14.00
$14.00 - $14.00
Current price $14.00
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Model 450D (Diesel) - AHE-450-DE5

Aqua-Hot
Original price $9,477.15 - Original price $9,849.88
Original price $9,477.15 - Original price $9,849.88
Original price $9,477.15
$8,718.98 - $9,054.44
$8,718.98 - $9,054.44
Current price $8,718.98

The Aqua-Hot 450D Diesel Hydronic Heating System used in larger motorhomes and luxury RVs to deliver high-capacity heating and continuous on-...

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Original price $9,477.15 - Original price $9,849.88
Original price $9,477.15 - Original price $9,849.88
Original price $9,477.15
$8,718.98 - $9,054.44
$8,718.98 - $9,054.44
Current price $8,718.98
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5 Qt. Expansion Tank Only w/Label - PLE-622-902

Aqua-Hot
Original price $115.28
Original price $115.28 - Original price $115.28
Original price $115.28
Current price $103.75
$103.75 - $103.75
Current price $103.75

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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Original price $115.28
Original price $115.28 - Original price $115.28
Original price $115.28
Current price $103.75
$103.75 - $103.75
Current price $103.75
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Float Switch (GEM) - ELX-01G-ML7

Aqua-Hot
Original price $216.68
Original price $216.68 - Original price $216.68
Original price $216.68
Current price $173.34
$173.34 - $173.34
Current price $173.34
Low stock

The GEM float switch is direct replacement part designed for older Hydro-Hot hydronic heating systems. This component monitors the fluid level wit...

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Original price $216.68
Original price $216.68 - Original price $216.68
Original price $216.68
Current price $173.34
$173.34 - $173.34
Current price $173.34
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Garber R Fuel Filter (Discount Bundle) - Johns Custom Kits - FLE-120-100

Aqua-Hot
Original price $70.88 - Original price $354.40
Original price $70.88 - Original price $354.40
Original price $70.88
$56.13 - $269.33
$56.13 - $269.33
Current price $56.13

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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Original price $70.88 - Original price $354.40
Original price $70.88 - Original price $354.40
Original price $70.88
$56.13 - $269.33
$56.13 - $269.33
Current price $56.13
Save up to 24% Save %

Radiator Cap with Bail - PLX-403-000

Aqua-Hot
Original price $139.43
Original price $139.43 - Original price $139.43
Original price $139.43
Current price $125.49
$125.49 - $125.49
Current price $125.49

The Radiator Cap with Bail is a direct replacement part designed for select Hydro-Hot hydronic heating systems. This cap ensures a secure seal for ...

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Original price $139.43
Original price $139.43 - Original price $139.43
Original price $139.43
Current price $125.49
$125.49 - $125.49
Current price $125.49
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20 Pole Terminal Electronic Controller Plug - ELX-312-491

Aqua-Hot
Original price $20.02
Original price $20.02 - Original price $20.02
Original price $20.02
Current price $18.02
$18.02 - $18.02
Current price $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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Original price $20.02
Original price $20.02 - Original price $20.02
Original price $20.02
Current price $18.02
$18.02 - $18.02
Current price $18.02
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2-Position Switch Panel Assembly - ELE-000-508

Aqua-Hot
Original price $49.42
Original price $49.42 - Original price $49.42
Original price $49.42
Current price $44.48
$44.48 - $44.48
Current price $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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Original price $49.42
Original price $49.42 - Original price $49.42
Original price $49.42
Current price $44.48
$44.48 - $44.48
Current price $44.48
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Blower Fan Replacement Kit - ELX-375-020-FRU

Aqua-Hot
Original price $55.21
Original price $55.21 - Original price $55.21
Original price $55.21
Current price $49.69
$49.69 - $49.69
Current price $49.69
Out of stock

The Blower Fan Replacement Kit are direct replacement parts used in Aqua-Hot hydronic heating systems to replace the combustion air fan responsible...

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Original price $55.21
Original price $55.21 - Original price $55.21
Original price $55.21
Current price $49.69
$49.69 - $49.69
Current price $49.69
Sold out

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

Aqua-Hot
Original price $357.38
Original price $357.38 - Original price $357.38
Original price $357.38
Current price $321.64
$321.64 - $321.64
Current price $321.64

The Bosch Assist Pump Kit with Terminals can be used in Aqua-Hot and Hydro-Hot hydronic heating systems to circulate antifreeze through the interio...

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Original price $357.38
Original price $357.38 - Original price $357.38
Original price $357.38
Current price $321.64
$321.64 - $321.64
Current price $321.64
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Outer Flame Tube Gasket - HDE-700-200

Aqua-Hot
Original price $11.50
Original price $11.50 - Original price $11.50
Original price $11.50
Current price $10.35
$10.35 - $10.35
Current price $10.35

The Outer Flame Tube Gasket is a direct replacement part used in the 525 Model Aqua-Hot's hydronic heating systems to seal the combustion chamber’s...

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Original price $11.50
Original price $11.50 - Original price $11.50
Original price $11.50
Current price $10.35
$10.35 - $10.35
Current price $10.35
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3 Position Terminal Block, 22-8 AWG - ELE-000-905

Aqua-Hot
Original price $15.11
Original price $15.11 - Original price $15.11
Original price $15.11
Current price $13.60
$13.60 - $13.60
Current price $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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Original price $15.11
Original price $15.11 - Original price $15.11
Original price $15.11
Current price $13.60
$13.60 - $13.60
Current price $13.60
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Low Temp Cut-Off Thermostat - ELE-LTC-505

Aqua-Hot
Original price $75.00
Original price $75.00 - Original price $75.00
Original price $75.00
Current price $67.50
$67.50 - $67.50
Current price $67.50

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

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Original price $75.00
Original price $75.00 - Original price $75.00
Original price $75.00
Current price $67.50
$67.50 - $67.50
Current price $67.50
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16 Pole Terminal Electronic Controller Plug - ELX-312-116

Aqua-Hot
Original price $14.23
Original price $14.23 - Original price $14.23
Original price $14.23
Current price $12.81
$12.81 - $12.81
Current price $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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Original price $14.23
Original price $14.23 - Original price $14.23
Original price $14.23
Current price $12.81
$12.81 - $12.81
Current price $12.81
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Clear Relay, 12VDC - ELX-W1A-486

Aqua-Hot
Original price $82.75
Original price $82.75 - Original price $82.75
Original price $82.75
Current price $66.20
$66.20 - $66.20
Current price $66.20

The 12V clear relay is a direct replacement part utilized in Aqua-Hot hydronic heating systems to control the activation of circulation pumps, such...

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Original price $82.75
Original price $82.75 - Original price $82.75
Original price $82.75
Current price $66.20
$66.20 - $66.20
Current price $66.20
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185 Degree F Control Thermostat w/Spade Connectors - ELE-800-108

Aqua-Hot
Original price $37.08
Original price $37.08 - Original price $37.08
Original price $37.08
Current price $33.37
$33.37 - $33.37
Current price $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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Original price $37.08
Original price $37.08 - Original price $37.08
Original price $37.08
Current price $33.37
$33.37 - $33.37
Current price $33.37
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1" Electric Heating Element, 120 VAC / 1000 Watt - ELX-2E7-250

Aqua-Hot
Original price $49.43
Original price $49.43 - Original price $49.43
Original price $49.43
Current price $44.49
$44.49 - $44.49
Current price $44.49
Low stock

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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Original price $49.43
Original price $49.43 - Original price $49.43
Original price $49.43
Current price $44.49
$44.49 - $44.49
Current price $44.49
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Buehler Pump Mounting Bracket - PLX-100-836

Aqua-Hot
Original price $4.32
Original price $4.32 - Original price $4.32
Original price $4.32
Current price $3.89
$3.89 - $3.89
Current price $3.89

The Buehler Pump Mounting Bracket is a direct replacement part designed for securing Buehler circulation pumps in Aqua-Hot hydronic heating systems...

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Original price $4.32
Original price $4.32 - Original price $4.32
Original price $4.32
Current price $3.89
$3.89 - $3.89
Current price $3.89
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Racor Spin On Fuel Filter, 10 Micron - FLX-R12-TRA

Aqua-Hot
Original price $139.99
Original price $139.99 - Original price $139.99
Original price $139.99
Current price $58.14
$58.14 - $58.14
Current price $58.14

The Racor Spin On Fuel Filter, 10 Micron is a direct replacement part for maintaining clean fuel delivery to the Aqua-Hot & Hydro-Hot hydronic ...

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Original price $139.99
Original price $139.99 - Original price $139.99
Original price $139.99
Current price $58.14
$58.14 - $58.14
Current price $58.14
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Straight Adapter Hose, 3/4 in x 1/2 in - PLE-450-150

Aqua-Hot
Original price $22.72
Original price $22.72 - Original price $22.72
Original price $22.72
Current price $20.45
$20.45 - $20.45
Current price $20.45

The Straight Adapter Hose, 3/4 in x 1/2 in is can be used on Aqua-Hot & Hydro-Hot hydronic heating systems to connect pumps with different hose...

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Original price $22.72
Original price $22.72 - Original price $22.72
Original price $22.72
Current price $20.45
$20.45 - $20.45
Current price $20.45
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7 Pole Terminal Electronic Controller Plug - ELX-312-107

Aqua-Hot
Original price $9.06
Original price $9.06 - Original price $9.06
Original price $9.06
Current price $8.15
$8.15 - $8.15
Current price $8.15

The 7 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 $9.06
Original price $9.06 - Original price $9.06
Original price $9.06
Current price $8.15
$8.15 - $8.15
Current price $8.15
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