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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

Service Parts

Filters

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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
Save 10% Save %
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
Save 24% Save %
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
Save 22% Save %
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 %
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
Save 28% 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...

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$168.64
$168.64 - $168.64
$168.64
$77.14
$77.14 - $77.14
$77.14
Save 54% Save %
Save 56% Save %

Pink/Red Century Boiler Antifreeze, Gallon - MSX-300-270

Aqua-Hot
$91.99
$91.99 - $91.99
$91.99
$40.90
$40.90 - $40.90
$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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$91.99
$91.99 - $91.99
$91.99
$40.90
$40.90 - $40.90
$40.90
Save 56% Save %
Save 56% Save %

Yellow/Green Century Boiler Antifreeze, Gallon – MSX-300-300

Aqua-Hot
$91.99
$91.99 - $91.99
$91.99
$40.90
$40.90 - $40.90
$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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$91.99
$91.99 - $91.99
$91.99
$40.90
$40.90 - $40.90
$40.90
Save 56% Save %
Save 29% Save %

Red/Pink Century Boiler Antifreeze, Quart - MSX-300-275

Aqua-Hot
$55.99
$55.99 - $55.99
$55.99
$39.93
$39.93 - $39.93
$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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$55.99
$55.99 - $55.99
$55.99
$39.93
$39.93 - $39.93
$39.93
Save 29% Save %
Save 53% Save %

Yellow/Green Century Boiler Antifreeze, Quart - MSX-300-GRN

Aqua-Hot
$55.99
$55.99 - $55.99
$55.99
$26.36
$26.36 - $26.36
$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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$55.99
$55.99 - $55.99
$55.99
$26.36
$26.36 - $26.36
$26.36
Save 53% Save %
Save up to 24% Save %

Garber R Fuel Filter (Discount Bundle) - Johns Custom Kits - FLE-120-100

Aqua-Hot
$70.88 - $354.40
$70.88 - $354.40
$70.88
$56.13 - $269.33
$56.13 - $269.33
$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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$70.88 - $354.40
$70.88 - $354.40
$70.88
$56.13 - $269.33
$56.13 - $269.33
$56.13
Save up to 24% Save %
Save 58% Save %

Racor Spin On Fuel Filter, 10 Micron - FLX-R12-TRA

Aqua-Hot
$139.99
$139.99 - $139.99
$139.99
$58.14
$58.14 - $58.14
$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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$139.99
$139.99 - $139.99
$139.99
$58.14
$58.14 - $58.14
$58.14
Save 58% Save %
Save 10% Save %

Outer Flame Tube Gasket - HDE-700-200

Aqua-Hot
$11.50
$11.50 - $11.50
$11.50
$10.35
$10.35 - $10.35
$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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$11.50
$11.50 - $11.50
$11.50
$10.35
$10.35 - $10.35
$10.35
Save 10% Save %
Sold out

10 Micron Spin-on Fuel Filter, Complete Garber R Assembly - FLX-120-000

Aqua-Hot
$185.38
$185.38 - $185.38
$185.38
$166.84
$166.84 - $166.84
$166.84
Out of stock

The 10 Micron Spin-on Fuel Filter, Complete Garber R Assembly is a complete fuel filtration unit designed for Aqua-Hot and Hydro-Hot hydronic heati...

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$185.38
$185.38 - $185.38
$185.38
$166.84
$166.84 - $166.84
$166.84
Sold out
Save 41% Save %

Yellow/Green Annual Service Kit, Racor - Johns Custom Kits - JCH-R12-GRN

Aqua-Hot
$347.96
$347.96 - $347.96
$347.96
$203.76
$203.76 - $203.76
$203.76

This Yellow/Green Annual Service Kit, Racor are direct replacement parts used in Aqua-Hot & Hydro-Hot hydronic heating systems with yellow/gree...

View full details
$347.96
$347.96 - $347.96
$347.96
$203.76
$203.76 - $203.76
$203.76
Save 41% Save %
Save 32% Save %

Red/Pink Annual Service Kit, Racor - Johns Custom Kits - JCH-R12-PNK

Aqua-Hot
$309.07
$309.07 - $309.07
$309.07
$209.74
$209.74 - $209.74
$209.74

This Red/Pink Annual Service Kit, Racor are direct replacement parts used in Aqua-Hot & Hydro-Hot hydronic heating systems with Red/Pink antifr...

View full details
$309.07
$309.07 - $309.07
$309.07
$209.74
$209.74 - $209.74
$209.74
Save 32% Save %
Save up to 66% Save %

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

Aqua-Hot
$279.98 - $1,399.90
$279.98 - $1,399.90
$279.98
$100.09 - $480.23
$100.09 - $480.23
$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 ...

View full details
$279.98 - $1,399.90
$279.98 - $1,399.90
$279.98
$100.09 - $480.23
$100.09 - $480.23
$100.09
Save up to 66% Save %
Sold out

General Model "G" Fuel Filter (OBSOLETE) - FLE-120-200

Aqua-Hot
$22.06
$22.06 - $22.06
$22.06
$19.00
$19.00 - $19.00
$19.00
Out of stock

The General Model "G" Fuel Filter was previously utilized in certain Aqua-Hot & Hydro-Hot hydronic heating systems to ensure clean fuel delive...

View full details
$22.06
$22.06 - $22.06
$22.06
$19.00
$19.00 - $19.00
$19.00
Sold out

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