Filters

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 pressure relief valve with 125psi rating and threaded connection
Sold out
$121.86
$118.20

Pressure Relief Valve 125psi PLX-111-125

125 PSI pressure relief valve (PLX-111-125) for Aqua-Hot hydronic heating systems. Protects the closed-loop coolant system from dangerous over-pres...

View full details
$121.86
$118.20
Sold out
Black nylon reducer with a 3/4 inch opening on one end and a 5/8 inch opening on the other.
$1.40

AH 3/4 inch Reducer to 5/8 inch Black Nylon

Black nylon reducer fitting stepping down from 3/4-inch to 5/8-inch for Aqua-Hot hydronic heating plumbing. Connects larger main supply lines to sm...

View full details
$1.40
$47.83

Valve, Ball Asm 1/2 in. (F) NPT Brass w/Fitting AHE-03, 04

Brass 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...

View full details
$47.83
Black molded hose elbow with 90-degree bend, 3/4 inch diameter, and 10-inch length
$20.58

Molded Hose Elbow 90* 3/4 x 3/4 x 10 long, AH/HH

Molded 90-degree hose elbow, 3/4-inch x 3/4-inch, 10 inches long, for Aqua-Hot and Hydro-Hot hydronic heating systems. This pre-formed elbow elimin...

View full details
$20.58
$9.31

Fitting Brass Elbow 90* Barb 1/4 x 1/4 (m) NP

Brass 90-degree elbow fitting with 1/4-inch barb x 1/4-inch male NPT for Aqua-Hot and Hydro-Hot hydronic heating systems. Used for connecting small...

View full details
$9.31

You recently viewed

Clear recently viewed