{#% include 'elevar-head' %} Genuine Aqua-Hot Replacement Parts | Hydronic Heating Warehouse
All Aqua-Hot Parts

All Aqua-Hot Parts

Searching for genuine Aqua-Hot parts to maintain your heating system? Look no further than Hydronic Heating Warehouse. We offer a wide range of replacement parts and kits available at affordable prices, including fuel nozzles, fuel filters, annual service kits, fuel pumps, and more. Our selection of high-quality and reliable parts ensures that you can keep your Aqua-Hot heating system working efficiently, whether you're traveling in your RV or boating on the water. Shop our inventory now to find the parts you need to stay warm and comfortable during your travels and keep your heating system in top condition for years to come.
Buehler Pump Assembly with Harness - PLE-100-901
$166.82
Vented Hydronic Heater Overflow Cap with Tether
$28.82

Vented Hydronic Heater Overflow Cap with Tether

Keep your hydronic heater safe and secure with this vented overflow cap and tether. The extra grip of the tether prevents slipping and accidental s...

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$28.82
AH Band Hose Clamp 1-1/16 inch diameter
AH Band Hose Clamp 1-1/16 inch diameter
$1.03
3/4 in x 1/2 in Straight Adapter Bell Hose
$29.17
1/2" PEX ELBOW - BRASS CRIMP FITTINGS, LEAD-FREE BRASS
$36.65

1/2" PEX ELBOW - BRASS CRIMP FITTINGS, LEAD-FREE BRASS

PEX Compatible with all types and brands of PEX Tubing - Watts Design certified to ANSI/NSF-61 and ASSE 1061 product standard for use in potable ...

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$36.65
Elbow Swivel Fitting, 1/2 in. Barb x 1/2 in. NPT
$8.80
1/2" Female FNPTF Pipe Cross Brass
$69.72
1/2 INCH Stainless Steel Clamp Ring
1/2 INCH Stainless Steel Clamp Ring
$4.28

1/2 INCH Stainless Steel Clamp Ring

Corrosion-resistant stainless steel construction Use with brass or plastic PEX crimp fittings

$4.28
CONS 1/2 in Crimp Ring
$4.28
1/2 Inch Pex Tubing Blue (Sold By Foot)
$1.25
1/2 Inch Pex Tubing Red (Sold By Foot)
$1.25
Cozy Grille 3.5 inches x 8.5 inches
$35.99

Cozy Grille 3.5 inches x 8.5 inches

A variety of shapes and materials provide finished covers for cozy heat exchangers and return air openings.

$35.99
Cozy Grille 3.5 inches x 15 inches Black Plastic
$45.99

Cozy Grille 3.5 inches x 15 inches Black Plastic

A variety of shapes and materials provide finished covers for cozy heat exchangers and return air openings.

$45.99
Cozy Grille 3.5 inches x 21.5 inches black plastic
$45.99

Cozy Grille 3.5 inches x 21.5 inches black plastic

A variety of shapes and materials provide finished covers for cozy heat exchangers and return air openings.

$45.99
Cozy Grille, 10 in. x 2 in TAN, METAL
$9.99

Cozy Grille, 10 in. x 2 in TAN, METAL

A variety of shapes and materials provide finished covers for cozy heat exchangers and return air openings.

$9.99
5/8 INCH Stainless Steel Clamp Ring
$0.78

5/8 INCH Stainless Steel Clamp Ring

Corrosion-resistant stainless steel construction Use with brass or plastic PEX crimp fittings

$0.78
Sharkbite 5/8 inch - 5/8 inch coupling
$7.50

Sharkbite 5/8 inch - 5/8 inch coupling

Corrosion-resistant stainless steel construction Use with brass or plastic PEX crimp fittings

$7.50
8 ft. Section of 5/8 in. Safety Stripe Rubber Hose
$169.58
5/8 IN Polytube Bend Support
$5.47
Molded Hose Elbow 90* 3/4 x 3/4 x 10 long, AH/HH
$16.43
Aqua-Hot Hydronic Heater 450D w/ Reporter - AHE-450-DE5
Save 1%
$9,100.00
$9,050.00

Aqua-Hot Hydronic Heater 450D w/ Reporter - AHE-450-DE5

Aqua-Hot Hydronic Heater 450D w/ Reporter Heater, Hydronic-D 45.0 K-BTU 12 VDC 1650 W-EL W/E-PH W- Reporter Aqua-Hot PN# AHE-450-DE5 MTRV# 740-100-...

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$9,100.00
$9,050.00
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AquaHot Tempering Valve - PLX-362-100
$248.85

AquaHot Tempering Valve - PLX-362-100

1/2" NPTM ESBE 120ºF Tempering Valve

$248.85
Diesel Photo-Eye Kit  250D
$114.66

Diesel Photo-Eye Kit 250D

Aqua-Hot 250D Diesel Photo-Eye Kit

$114.66
Aqua-Hot Thermostat (Used for Electric or Diesel)
$85.80

Aqua-Hot Thermostat (Used for Electric or Diesel)

Item Model Number UV11698 (for models 100 or 431) Max. 150 degrees Thermostat: Electric or Diesel side 5.4" x 3" x 1.3"

$85.80
5 Qt. Expansion Tank Label
$8.50

5 Qt. Expansion Tank Label

5 Qt. Expansion Tank Label

$8.50
3 Qt. Expansion Tank Label
$4.99

3 Qt. Expansion Tank Label

3 Qt. Expansion Tank Label

$4.99
3 Qt. Expansion Tank w/ Internal Fluid Lever Sensor, 5/8 inch Barbs
$109.99

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

3 Qt. Expansion Tank w/Internal Fluid Level Sensor, 5/8 in. Barbs Tank 7 1/16"x4.5"8 9/16"Nozzles 5/8"x1.5x5/8"x1.25" Cap 1.25"x2 5/8"

$109.99
Oxygen Sensor Socket
$17.83

Oxygen Sensor Socket

For removing and installing Thermostat and or Float Switches Specially designed 7/8-in. (22mm) socket features slot for wiring connector pigtails...

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$17.83
Radiator Cap w/ Bail & Chain PLX-403-000
$135.00

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

Radiator Cap with Bail

$135.00
Air Assembly Combination Valve
$19.58

Air Assembly Combination Valve

Air Assembly Combination Valve Coin / Key. This is the replacement for part number: PLE-699-345

$19.58
Pump Manifold
$0.00

Pump Manifold

Pump Manifold PLE-100-500

$0.00
Fuel Line Replacement Kit 400/450
$53.03

Fuel Line Replacement Kit 400/450

Kit, Fuel Line Replacement 400/450

$53.03
Gasket Kit Ignition Module
$11.75

Gasket Kit Ignition Module

Gasket Kit - Ignition Module

$11.75
Filler Neck Gasket
$5.95

Filler Neck Gasket

Filler Neck Gasket This gasket is for zero pressure Aqua-Hot models using the air assembly connection to the boiler tank as shown in the photos. ...

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$5.95
Refractometer for Glycol Antifreeze
$80.00

Refractometer for Glycol Antifreeze

Ethylene and Propylene Glycol level tester. Function 1: Measuring freezing point of automobile antifreeze based on ethylene glycol or propyle...

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$80.00
AH 3/4 inch Constant Tension Hose Clamp
$1.08

AH 3/4 inch Constant Tension Hose Clamp

Hose clamp 3/4", constant tension. PLX-CTB-240 - 740-040-0007

$1.08
Constant Tension Hose Clamp 1/2 inch
$1.00

Constant Tension Hose Clamp 1/2 inch

Hose clamp 1/2", constant tension. PLX-CTB-210 - 740-010-0174 #24 CLAMP

$1.00
CONS CTB Clamp 5/16 inch (Green)
$1.00

CONS CTB Clamp 5/16 inch (Green)

5/16 Clamp in green. í«ÌÎ_PLX-UM5-007

$1.00
Radiator Cap 13lb w/ Lever PLX-102-229-L
Save 45%
$30.84
$17.03

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

13 # Radiator cap with red lever for pressure release

$30.84
$17.03
Save 45%
Straight 1/2 inch Pex Fitting
$10.00

Straight 1/2 inch Pex Fitting

Straight 1/2" Pex Fitting

$10.00
Annual Service Kit - Green - MSE-ASK-GRN
$329.96

Annual Service Kit - Green - MSE-ASK-GRN

Includes everything you need to maintain and service your Aqua-Hot, all in an easy-to-store bag with a convenient foam insert for each part. Kit...

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$329.96

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