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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.

Brass check valve with a threaded connection and a compact design for fluid control.
Save $2.08
$69.27
$67.19

Brass Check Valve PLX-2A1-300

Brass check valve (PLX-2A1-300) for Aqua-Hot hydronic heating systems. Prevents reverse coolant flow in the heating loop, ensuring one-directional ...

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$69.27
$67.19
Save $2.08
$10.82

Fitting, Brass, Barb, 3/4 X 1/2, (M)NPT, HH

Brass barb fitting, 3/4-inch barb x 1/2-inch male NPT, for Aqua-Hot and Hydro-Hot hydronic heating systems. Connects coolant hoses to threaded port...

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$10.82
Clear 5/8 inch diameter tube hose, measuring 4 feet in length, for overflow applications.
$15.28

Clear Tube Overflow Hose 5/8 inch x 4 foot

Clear 5/8-inch overflow hose, 4-foot length, for Aqua-Hot and Hydro-Hot hydronic heating systems. Routes excess coolant from the expansion tank ove...

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$15.28
$952.75

Tube, 5/8 IN, Red 0D Barrier Red Pex 300 Ft.

5/8-inch red oxygen barrier PEX tubing, 300-foot roll, for Aqua-Hot and Hydro-Hot hydronic heating installations. The oxygen barrier layer prevents...

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$952.75
Straight 1/2 inch PEX fitting with smooth connectors for plumbing applications.
$10.00

Straight 1/2 inch Pex Fitting

Straight 1/2-inch PEX fitting for Aqua-Hot and Hydro-Hot hydronic heating systems. Creates a secure inline connection between 1/2-inch PEX tubing r...

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$10.00
$302.56

5/8 in PEX Tube

5/8-inch PEX tubing for Aqua-Hot and Hydro-Hot hydronic heating system plumbing. Used for coolant distribution lines between the heating unit and z...

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$302.56
Clear flexible tubing, 5/8 inch diameter, 6 feet long, suitable for various applications.
$20.26

Clear Tubing 5/8 inch x 6 foot

Clear 5/8-inch tubing, 6-foot length, for Aqua-Hot and Hydro-Hot hydronic heating systems. Used for overflow lines, coolant routing, and sight line...

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$20.26

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