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.

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

$23.68
$50.80

Water Heater Insulation Blanket Kit

$50.80
Black plastic drive rivet with a 5mm hole for secure fastening.
$0.98

Uxcell 5mm Hole Retainer Clip, Plastic Drive Rivet, Black

$0.98
Black 12-inch cable tie with a smooth surface and a locking mechanism for secure bundling.
$0.63

12 in. Cable Tie

$0.63
$116.63

1-1/2"x48"x120" Micro Aire Duct Board Foil Backed

$116.63
$82.92

1"x48"x120" Micro Aire Duct Board Foil backed

$82.92
Blower wheel fan motor with metal housing and central mounting shaft visible.
$10.36

Blower Wheel Fan Motor HDX-162-511

$10.36
Three-quarter inch preformed hose bent at a 90-degree angle.
$25.00

80414 Hose 3/4 Preformed, 90 degrees

$25.00
Preformed 3/4 inch hose bent at 90 degrees, 18 1/2 inches long
$25.00

80413 Hose 3/4 Preformed 90 degrees 18 1/2" Length

$25.00
Clear, flexible Tygothane polyurethane tubing, 5/16 inch diameter, 7/16 inch outer diameter.
$6.76

BULK Tygothane®, Unbraided Polyurethane Tubing 100ft, 5/16 inch D, 7/16 inch OD (SOLD BY FOOT)

$6.76
A compact 12 VDC circulation pump with durable housing and inlet/outlet ports.
Save $720.00
$1,650.00
$930.00

BR-809 Circulation Pump, 12 VDC - NEW

$1,650.00
$930.00
Save $720.00
$3.10

Insert Modified Brass Fitting

$3.10
Metal constant tension hose clamp with a 7/8 inch diameter and adjustable design.
$4.85

Constant Tension Hose Clamp, 7/8 inch CTB-24ST

$4.85
Constant tension hose clamp with a 1/2 inch diameter and metal construction
$1.00

Constant Tension Hose Clamp 1/2 inch CTB-12

$1.00
A 5/8 inch polytube bend support with a sturdy design for flexible tubing applications.
$11.30

5/8 IN Polytube Bend Support

$11.30
Straight 1/2 inch PEX fitting with smooth connectors for plumbing applications.
$10.00

Straight 1/2 inch Pex Fitting

$10.00
Tempering valve repair kit with multiple brass and plastic components for plumbing maintenance
$393.59

Tempering Valve Repair Kit - AH PLX-4A8-18R

$393.59
A metal air assembly combination valve with multiple connection points and a compact design.
$19.58

Air Assembly Combination Valve

$19.58
Metal tempering valve with temperature range markings from 120 to 160 degrees Fahrenheit
$198.33

120F-160F Tempering Valve

$198.33
Metal radiator cap with bail and chain, featuring a sleek design for secure closure.
$232.38

Radiator Cap w/ Bail & Chain PLX-403-000

$232.38
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

$20.58
A metal worm gear clamp designed to fit 7/8 inch to 1-1/4 inch hoses.
$9.47

AH Lined Worm Gear Clamp, 7/8 inch to 1-1/4 inch

$9.47
$9.31

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

$9.31
Black radiator cap with a lever, rated for 13lb pressure, model PLX-102-229-L.
$19.49

Radiator Cap 13lb w/ Lever PLX-102-229-L

$19.49
Pump bracket isolator PLX-100-837 in black rubber with metal mounting plate and bolt holes
$4.99

Pump Bracket Isolator PLX-100-837

$4.99
Metal pump bracket with mounting holes, designed for Buehler C21 model.
$14.99

Buehler C21 Pump Bracket PLX-100-836

$14.99
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

$1.40
$302.56

5/8 in PEX Tube

$302.56
Black nylon coupler fitting, 3/4 inch size, designed for plumbing connections.
$2.62

AH Black Nylon Coupler Fitting 3/4 inch PLX-000-825

$2.62
5-quart expansion tank assembly with a durable design and connection fittings.
$101.58

5 Qt. Expansion Tank Assembly PLE-622-902

$101.58
5 quart expansion tank with 5/16 inch barb fitting in white plastic material
$145.80

5 Qt. Expansion Tank 5/16 inch Barb Fitting

$145.80
Clear flexible tubing, 5/8 inch diameter, 6 feet long, suitable for various applications.
$20.26

Clear Tubing 5/8 inch x 6 foot

$20.26
Metal engine pump supply pipe with curved design and mounting flange
$0.00

Engine Pump Supply Pipe

$0.00
Three-zone pump manifold kit with brass fittings and clear labeling for easy installation.
$0.00

3 Zone Pump Manifold Kit

$0.00
A 3-quart overflow bottle with a decal and a 5/8 inch barb fitting.
$97.62

3 Qt. Overflow Bottle w/ Decal, 5/8 inch Barb fitting

$97.62
3 Qt. expansion tank with internal fluid lever sensor and 5/8 inch barbs.
$109.99

3 Qt. Expansion Tank w/ Internal Fluid Lever Sensor, 5/8 inch Barbs PLE-063-200

$109.99

You recently viewed

Clear recently viewed