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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

Small Filler Neck - TNX-NEC-FLL

Aqua-Hot
Original price $76.85
Original price $76.85 - Original price $76.85
Original price $76.85
Current price $61.48
$61.48 - $61.48
Current price $61.48

The Small Filler Neck is a direct replacement part used in Aqua-Hot & Hydro-Hot hydronic heating systems to connect the expansion tank to the f...

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Original price $76.85
Original price $76.85 - Original price $76.85
Original price $76.85
Current price $61.48
$61.48 - $61.48
Current price $61.48
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Brass Tee Fitting 1/2 NPT (M) (F) - PLX-0X1-07D

Aqua-Hot
Original price $19.98
Original price $19.98 - Original price $19.98
Original price $19.98
Current price $16.35
$16.35 - $16.35
Current price $16.35

The 1/2 in Brass Tee Fitting is direct replacement part used in Aqua-Hot & Hydro-Hot hydronic heating systems on the water plumbing. Important ...

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Original price $19.98
Original price $19.98 - Original price $19.98
Original price $19.98
Current price $16.35
$16.35 - $16.35
Current price $16.35
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Model 250D (Diesel) - AHE-250-D03

Aqua-Hot
Original price $6,514.80 - Original price $8,772.63
Original price $6,514.80 - Original price $8,772.63
Original price $6,514.80
$5,993.62 - $8,070.82
$5,993.62 - $8,070.82
Current price $5,993.62

The Aqua-Hot 250D (Diesel) Hydronic Heating Systems are used in towable RVs and smaller motorhomes to deliver continuous on-demand hot water an...

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Original price $6,514.80 - Original price $8,772.63
Original price $6,514.80 - Original price $8,772.63
Original price $6,514.80
$5,993.62 - $8,070.82
$5,993.62 - $8,070.82
Current price $5,993.62
Save up to 8% Save %

Aqua-Hot Gen1 G (Gasoline) (OBSOLETE) - AHE-GXN-GX1

Aqua-Hot
Original price $1,449.00 - Original price $2,348.99
Original price $1,449.00 - Original price $2,348.99
Original price $1,449.00
$1,333.08 - $2,161.08
$1,333.08 - $2,161.08
Current price $1,333.08
Out of stock

The Aqua-Hot Gen1 G (Gasoline) hydronic heating system designed for RVs, camper vans, and motorhomes equipped with gasoline engines. This compac...

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Original price $1,449.00 - Original price $2,348.99
Original price $1,449.00 - Original price $2,348.99
Original price $1,449.00
$1,333.08 - $2,161.08
$1,333.08 - $2,161.08
Current price $1,333.08
Sold out

Racor Spin On Fuel Filter, 10 Micron (Discount Bundle) - Johns Custom Kits - FLX-R12-TRB

Aqua-Hot
Original price $279.98 - Original price $1,399.90
Original price $279.98 - Original price $1,399.90
Original price $279.98
$100.09 - $480.23
$100.09 - $480.23
Current price $100.09

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 $279.98 - Original price $1,399.90
Original price $279.98 - Original price $1,399.90
Original price $279.98
$100.09 - $480.23
$100.09 - $480.23
Current price $100.09
Save up to 66% Save %

Hour Meter - ELX-002-100

Aqua-Hot
Original price $40.00
Original price $40.00 - Original price $40.00
Original price $40.00
Current price $36.00
$36.00 - $36.00
Current price $36.00

The hour meter is a direct replacement part designed for Aqua-Hot & Hydro-Hot hydronic heating systems. This device accurately records the cumu...

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Original price $40.00
Original price $40.00 - Original price $40.00
Original price $40.00
Current price $36.00
$36.00 - $36.00
Current price $36.00
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220 Degree F VAC Dual High Limit Thermostat - ELE-WHL-402

Aqua-Hot
Original price $491.07
Original price $491.07 - Original price $491.07
Original price $491.07
Current price $441.96
$441.96 - $441.96
Current price $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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Original price $491.07
Original price $491.07 - Original price $491.07
Original price $491.07
Current price $441.96
$441.96 - $441.96
Current price $441.96
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Brass Ball Drain Valve Assembly - PLE-688-002-FRU

Aqua-Hot
Original price $47.83
Original price $47.83 - Original price $47.83
Original price $47.83
Current price $38.26
$38.26 - $38.26
Current price $38.26

The Brass Ball Drain Valve Assembly is both an aftermarket upgrade and direct replacement used in Aqua-Hot & Hydro-Hot hydronic heating systems...

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Original price $47.83
Original price $47.83 - Original price $47.83
Original price $47.83
Current price $38.26
$38.26 - $38.26
Current price $38.26
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Aqua-Hot Touchscreen Reporter Controller Retrofit Harness Kit - JCH-100-KIT

Aqua-Hot
Original price $665.48
Original price $665.48 - Original price $665.48
Original price $665.48
Current price $598.93
$598.93 - $598.93
Current price $598.93

Upgrade your Aqua-Hot hydronic heating system with the Aqua-Hot Touchscreen Reporter Controller Retrofit Harness Kit. This kit includes both the he...

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Original price $665.48
Original price $665.48 - Original price $665.48
Original price $665.48
Current price $598.93
$598.93 - $598.93
Current price $598.93
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Model 125D (Diesel) - AHE-125-DN2

Aqua-Hot
Original price $5,387.72 - Original price $6,005.22
Original price $5,387.72 - Original price $6,005.22
Original price $5,387.72
$4,956.71 - $5,524.81
$4,956.71 - $5,524.81
Current price $4,956.71

The Aqua-Hot 125D (Diesel) Hydronic Heating Systems are used in RVs and motorhomes to provide on-demand interior heat and continuous domestic h...

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Original price $5,387.72 - Original price $6,005.22
Original price $5,387.72 - Original price $6,005.22
Original price $5,387.72
$4,956.71 - $5,524.81
$4,956.71 - $5,524.81
Current price $4,956.71
Save up to 8% Save %

Fan Validation Pressure Switch .15 WC - ELX-375-010

Aqua-Hot
Original price $99.97
Original price $99.97 - Original price $99.97
Original price $99.97
Current price $89.97
$89.97 - $89.97
Current price $89.97

The Fan Validation Pressure Switch 0.15" WC is a direct replacement part used in Aqua-Hot hydronic heating systems to verify proper airflow before ...

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Original price $99.97
Original price $99.97 - Original price $99.97
Original price $99.97
Current price $89.97
$89.97 - $89.97
Current price $89.97
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Heat Exchanger Whisper Fan Replacement, 12 VDC - ELX-500-12B

Aqua-Hot
Original price $57.20
Original price $57.20 - Original price $57.20
Original price $57.20
Current price $51.48
$51.48 - $51.48
Current price $51.48

The Heat Exchanger Whisper Fan Replacement, 12 VDC is a direct replacement part used in Aqua-Hot & Hydro-Hot hydronic heating systems to circul...

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Original price $57.20
Original price $57.20 - Original price $57.20
Original price $57.20
Current price $51.48
$51.48 - $51.48
Current price $51.48
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Brass Ball Valve 1/2 in. (F) NPT - PLX-BV1-200

Aqua-Hot
Original price $28.27
Original price $28.27 - Original price $28.27
Original price $28.27
Current price $12.00
$12.00 - $12.00
Current price $12.00

The Brass Ball Valve, 1/2 in. (F) NPT is a direct replacement part used in Aqua-Hot and Hydro-Hot hydronic heating systems to manually control flui...

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Original price $28.27
Original price $28.27 - Original price $28.27
Original price $28.27
Current price $12.00
$12.00 - $12.00
Current price $12.00
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10K NTC Thermistor (White) Room Temperature Sensor - ELX-THM-309

Aqua-Hot
Original price $7.82
Original price $7.82 - Original price $7.82
Original price $7.82
Current price $7.04
$7.04 - $7.04
Current price $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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Original price $7.82
Original price $7.82 - Original price $7.82
Original price $7.82
Current price $7.04
$7.04 - $7.04
Current price $7.04
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Model 125G (Gas) - AHE-125-GN1

Aqua-Hot
Original price $5,290.00 - Original price $6,280.95
Original price $5,290.00 - Original price $6,280.95
Original price $5,290.00
$4,866.80 - $5,758.66
$4,866.80 - $5,758.66
Current price $4,866.80

The Aqua-Hot 125G (Gas) Hydronic Heating Systems are used in RVs and motorhomes to provide on-demand interior heat and continuous domestic hot wa...

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Original price $5,290.00 - Original price $6,280.95
Original price $5,290.00 - Original price $6,280.95
Original price $5,290.00
$4,866.80 - $5,758.66
$4,866.80 - $5,758.66
Current price $4,866.80
Save up to 8% Save %

Buck Boost Replacement Ignitor Side Kit - ELE-400-022

Aqua-Hot
Original price $113.37
Original price $113.37 - Original price $113.37
Original price $113.37
Current price $102.03
$102.03 - $102.03
Current price $102.03
Low stock

The Buck Boost Replacement Ignitor Side Kit is a newer direct replacement used in Aqua-Hot hydronic heating systems to restore proper ignition volt...

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Original price $113.37
Original price $113.37 - Original price $113.37
Original price $113.37
Current price $102.03
$102.03 - $102.03
Current price $102.03
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Harness Adapter for Aqua-Hot - ELE-100-556

Aqua-Hot
Original price $292.75
Original price $292.75 - Original price $292.75
Original price $292.75
Current price $263.48
$263.48 - $263.48
Current price $263.48

The Harness Adapter for Aqua-Hot used in Aqua-Hot & Hydro-Hot hydronic heating systems to connect internal components to the main system contro...

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Original price $292.75
Original price $292.75 - Original price $292.75
Original price $292.75
Current price $263.48
$263.48 - $263.48
Current price $263.48
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Fuel Line Replacement Kit W/ Banjos, Webasto (DBW2010) - JCH-421-852-FRU

Aqua-Hot
Original price $172.30
Original price $172.30 - Original price $172.30
Original price $172.30
Current price $143.52
$143.52 - $143.52
Current price $143.52

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 $172.30
Original price $172.30 - Original price $172.30
Original price $172.30
Current price $143.52
$143.52 - $143.52
Current price $143.52
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90 Degree Brass Elbow Valve - PLX-A52-600

Aqua-Hot
Original price $42.25
Original price $42.25 - Original price $42.25
Original price $42.25
Current price $38.41
$38.41 - $38.41
Current price $38.41
Low stock

The 90-degree brass elbow valve featuring a 5/8-inch hose barb and a 3/8-inch male NPT (National Pipe Thread) connection. This durable fitting is c...

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Original price $42.25
Original price $42.25 - Original price $42.25
Original price $42.25
Current price $38.41
$38.41 - $38.41
Current price $38.41
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Relay Socket - ELX-SR3-B05

Aqua-Hot
Original price $39.20
Original price $39.20 - Original price $39.20
Original price $39.20
Current price $31.36
$31.36 - $31.36
Current price $31.36

The relay socket designed for use in Aqua-Hot hydronic heating systems. This socket facilitates the secure installation and connection ELX-W1A-486 ...

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Original price $39.20
Original price $39.20 - Original price $39.20
Original price $39.20
Current price $31.36
$31.36 - $31.36
Current price $31.36
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Brass Nipple Fitting, 1/2 in x 3-1/2 in - PLX-113-086

Aqua-Hot
Original price $19.56
Original price $19.56 - Original price $19.56
Original price $19.56
Current price $15.65
$15.65 - $15.65
Current price $15.65

The Brass Nipple Fitting, 1/2 in x 3-1/2 in is a direct replacement part used in Aqua-Hot & Hydro-Hot hydronic heating systems for secure, thre...

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Original price $19.56
Original price $19.56 - Original price $19.56
Original price $19.56
Current price $15.65
$15.65 - $15.65
Current price $15.65
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Pump Isolator Bracket - PLX-100-837

Aqua-Hot
Original price $2.27
Original price $2.27 - Original price $2.27
Original price $2.27
Current price $2.04
$2.04 - $2.04
Current price $2.04

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

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Original price $2.27
Original price $2.27 - Original price $2.27
Original price $2.27
Current price $2.04
$2.04 - $2.04
Current price $2.04
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4-Position Switch Panel Assembly - ELE-000-908

Aqua-Hot
Original price $71.61
Original price $71.61 - Original price $71.61
Original price $71.61
Current price $64.45
$64.45 - $64.45
Current price $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...

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Original price $71.61
Original price $71.61 - Original price $71.61
Original price $71.61
Current price $64.45
$64.45 - $64.45
Current price $64.45
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Fuse Block - ELX-BB6-10A

Aqua-Hot
Original price $56.58
Original price $56.58 - Original price $56.58
Original price $56.58
Current price $50.92
$50.92 - $50.92
Current price $50.92

The Fuse Block is a direct replacement part used in Aqua-Hot hydronic heating systems to protect electrical circuits and components from overcurren...

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Original price $56.58
Original price $56.58 - Original price $56.58
Original price $56.58
Current price $50.92
$50.92 - $50.92
Current price $50.92
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