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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.

Buehler C21 Pump PLX-100-900 with a compact design and control panel for fluid transfer.
$152.90

Buehler C21 Pump PLX-100-900

Buehler C21 circulation pump (PLX-100-900) for Aqua-Hot hydronic heating systems. This pump circulates heated coolant through the system's zones, c...

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$152.90
Green annual service kit containing essential maintenance tools and parts.
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$336.99

Annual Service Kit - Green

Annual service kit (Green) for Aqua-Hot hydronic heating systems. Contains the essential replacement parts needed for yearly preventive maintenance...

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$336.99
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Metal faceplate for SME-200-501 electronic control assembly with mounting holes.
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$61.52

Electronic Control Assembly Faceplate SME-200-501

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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$61.52
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Annual service kit in pink color with multiple maintenance tools and parts visible.
$329.99

Annual Service Kit - Pink

Annual service kit (Pink) for Aqua-Hot hydronic heating systems. Contains the essential replacement parts for yearly preventive maintenance includi...

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$329.99
Black plastic Cozy Grille measuring 3.5 by 21.5 inches with a slatted design
$23.68

Cozy Grille 3.5 inches x 21.5 inches black plastic

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...

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$23.68
Cozy plenum assembly with insulated panels and metal frame for HVAC systems
$254.58

Cozy Plenum Assembly

Cozy plenum assembly for Aqua-Hot hydronic heating systems. The cozy plenum is a compact heat exchanger with integrated fan that mounts in cabinets...

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$254.58
$0.00

Manifold Drain Assembly Kit

Manifold drain assembly kit for Aqua-Hot and Hydro-Hot hydronic heating systems. Provides a convenient drain point on the manifold for system flush...

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$0.00

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