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Aqua-Hot Parts | OEM Replacement Components & Repair Kits

Aqua-Hot Parts | OEM Replacement Components & Repair Kits

Genuine Aqua-Hot Parts for Reliable Hydronic Heating

Keep your Aqua-Hot system performing like new with our full selection of OEM Aqua-Hot parts and accessories. Each component is engineered to fit perfectly, ensuring consistent heat, efficient operation, and long-term reliability.

Whether you’re performing annual maintenance, troubleshooting a heating issue, or rebuilding your entire system, you’ll find every part you need — from filters and nozzles to pumps, thermostats, sensors, and circuit boards.

Genuine OEM Aqua-Hot replacement parts
🔧 Compatible with Aqua-Hot & Hydro-Hot systems
🔥 Maintain peak heating and hot water performance
🧰 Ideal for RVs, coaches, and hydronic service centers

Use the filters to quickly locate the right part for your specific model. Each product page includes part numbers, compatibility notes, and installation details to help you complete your repair confidently.

For annual maintenance, explore our Aqua-Hot Service Kits and Cost-Saving Bundles — curated for convenience and long-term system protection.

Metal faceplate for SME-200-501 electronic control assembly with mounting holes.
$61.52
Cozy plenum assembly with insulated panels and metal frame for HVAC systems
$254.58
Stainless steel pressure gauge with a 2.5-inch dial and liquid-filled display up to 300 psi.
$51.98

Stainless Steel Pressure Gauge

Winters PFQ Series Stainless Steel 304 Single Scale Liquid Filled Pressure Gauge w/ Brass Internals 0-300psi, 2.5" Dial Display, +/-1.5% Accuracy...

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$51.98
Annual service kit in pink color with multiple maintenance tools and parts visible.
$329.99
Green annual service kit containing essential maintenance tools and parts.
$336.99
Block of refractory insulation material with a rough, porous surface and light gray color
$73.85
3 quart expansion tank with a sensor kit, featuring a cylindrical shape and mounting brackets.
$115.48
White label for a 5-quart expansion tank with clear black text.
$8.50
3-quart expansion tank with a clear label on the side in white and red colors
$3.50
Outer gasket for flame tube compatible with Beckett burner models 375 and 525
$11.38

Flame Tube Outer Gasket (for models 375 & 525) HDE-700-200

For use with models 375 & 525 ATTN: Gasket only used on models that have Beckett burners

$11.38
Oxygen sensor socket with a hexagonal shape and a durable metal finish.
$17.83
Gasket kit for ignition module with multiple rubber and metal gaskets included.
$11.75
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$60.92

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