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.
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Aqua-Hot 200 cabin heater for hydronic heating systems in RVs, coaches, and specialty vehicles. This larger capacity heat exchanger with built-in f...
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Diesel photo-eye kit for the Aqua-Hot 250D hydronic heating system. The photo-eye (cad cell) detects the presence of a flame in the combustion cham...
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Replacement faceplate (SME-200-501) for the electronic control assembly on Aqua-Hot hydronic heating systems. This panel provides the user interfac...
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Annual service kit (Pink) for Aqua-Hot hydronic heating systems. Contains the essential replacement parts for yearly preventive maintenance includi...
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Refractory insulation for Aqua-Hot hydronic heating system combustion chambers. This high-temperature insulation lines the interior of the combusti...
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For use with models 375 & 525 ATTN: Gasket only used on models that have Beckett burners
Ignition module gasket kit for Aqua-Hot hydronic heating systems. Contains the gaskets and seals required when servicing or replacing the ignition ...
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Adjustable tempering valve (PLX-4A8-180) with a range of 120°F to 160°F for Aqua-Hot hydronic heating systems. Mixes hot and cold water to deliver ...
View full detailsESBE 120°F tempering valve with 1/2-inch male NPT connections for Aqua-Hot hydronic heating systems. Blends hot and cold water to deliver a fixed 1...
View full details5/8-inch red oxygen barrier PEX tubing, 300-foot roll, for Aqua-Hot and Hydro-Hot hydronic heating installations. The oxygen barrier layer prevents...
View full detailsHVCC S1 pump for Aqua-Hot hydronic heating systems. This circulation pump moves heated coolant through the system's zones, cabin heaters, and domes...
View full detailsBrass ball valve assembly with 1/2-inch female NPT connections and fitting for Aqua-Hot AHE-03 and AHE-04 hydronic heating systems. Provides a reli...
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Bosch assist pump kit for Aqua-Hot hydronic heating systems. The assist pump provides supplemental coolant circulation for systems with long plumbi...
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Plastic threaded plug (P-48) for 1/2-inch NPT pipe fittings. Used to cap off unused ports in Aqua-Hot and Hydro-Hot hydronic heating systems during...
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Plastic threaded plug (P-28) for 1/4-inch NPT pipe fittings. Used to cap off unused ports in Aqua-Hot and Hydro-Hot hydronic heating systems during...
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Vented overflow cap with tether for Aqua-Hot and Hydro-Hot hydronic heating system expansion tanks. The vented design allows controlled pressure re...
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Tan metal cozy grille (10" x 2") (EXX-950-411) for Aqua-Hot hydronic heating systems. This low-profile metal grille is designed for flush-mount ins...
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Black plastic cozy grille (3.5" x 8.5") for Aqua-Hot hydronic heating systems. This compact grille is designed for smaller zone heating locations s...
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Black plastic cozy grille (3.5" x 15") for Aqua-Hot hydronic heating systems. Mounts over the cozy plenum heat exchanger outlet to distribute warm ...
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Black plastic cozy grille (3.5" x 21.5") for Aqua-Hot hydronic heating systems. This larger grille covers wider cozy plenum installations and distr...
View full detailsWater heater insulation blanket kit for supplemental insulation on Aqua-Hot and Hydro-Hot hydronic heating systems. Wraps around the heating unit t...
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5mm plastic push-in retainer clips (black) for securing panels, covers, and trim in Aqua-Hot hydronic heating installations. These drive rivets sna...
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12-inch cable ties for securing wiring, hoses, and tubing in Aqua-Hot and Hydro-Hot hydronic heating installations. Use during system installation,...
View full details1-1/2 inch thick Micro Aire duct board (48" x 120") with foil backing for superior insulation in Aqua-Hot and Hydro-Hot heated air duct systems. Th...
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