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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

Electronics & Sensors

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Fluid Level Sensor FRU - ELE-800-006-FRU

Aqua-Hot
$156.07
$156.07 - $156.07
$156.07
$140.46
$140.46 - $140.46
$140.46

The Fluid Level Sensor FRU are direct replacement parts used in Aqua-Hot hydronic heating systems to monitor antifreeze levels in the expansion tan...

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$156.07
$156.07 - $156.07
$156.07
$140.46
$140.46 - $140.46
$140.46
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Burner Controller Card - ELX-375-025

Aqua-Hot
$246.45
$246.45 - $246.45
$246.45
$221.81
$221.81 - $221.81
$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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$246.45
$246.45 - $246.45
$246.45
$221.81
$221.81 - $221.81
$221.81
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Interlock Switch, 12VDC - ELX-000-051

Aqua-Hot
$21.22
$21.22 - $21.22
$21.22
$19.10
$19.10 - $19.10
$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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$21.22
$21.22 - $21.22
$21.22
$19.10
$19.10 - $19.10
$19.10
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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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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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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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Aqua-Hot 250D Burner Controller - ELE-888-888

Aqua-Hot
$635.58
$635.58 - $635.58
$635.58
$572.02
$572.02 - $572.02
$572.02
Low stock

The Aqua-Hot 250D Burner Controller is a direct replacement part used in a Aqua-Hot 250D hydronic heating system to manage burner ignition, operati...

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$635.58
$635.58 - $635.58
$635.58
$572.02
$572.02 - $572.02
$572.02
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Buck Boost Replacement Ignitor Side Kit - ELE-400-022

Aqua-Hot
$113.37
$113.37 - $113.37
$113.37
$102.03
$102.03 - $102.03
$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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$113.37
$113.37 - $113.37
$113.37
$102.03
$102.03 - $102.03
$102.03
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