Water Heater Parts & Accessories

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Make sure your water heater is working effectively and efficiently with the proper water heater parts and water heater accessories. Browse below or contact our experts for help finding the right water heater part for your system.
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Learn More About Rinnai 224087PP
Rinnai
Rinnai Concentric Venting Condensing Vent Pipe Extension - 10", Tankless Water Heater Accessory, Addition
$22.00
In-Stock
Learn More About Noritz MK-NRCB-1
$482.01
Factory-Direct
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Learn More About Noritz VT5-SH
Noritz
Noritz Stainless Steel 5" Diameter Venting Horizontal Hood, For NC380 Series Water Heaters
$145.00
Factory-Direct
Learn More About Rinnai 223188
Rinnai
Rinnai - 223188 - Universal Termination Metal Kit - For Rinnai LS Series Tankless Water Heaters
$107.00
Only 2 In-Stock
Learn More About Noritz QC-2
Noritz
Noritz - QC-2 - Quick Connect Cable (2 units only) - For NR83, NR981, NRC98, NRC1111, NC1991, and NCC1991 units
$31.00
In-Stock
Learn More About Noritz DT4
Noritz
Noritz - DT4 - Drip Tee Horizontal Condensation Drain - For NR71, NR98, NR111, NC199, NCC199, NC250, and NH Boiler Series units.
$24.00
Factory-Direct
Learn More About Noritz VT5-S45
Noritz
Noritz Stainless Steel 5" Diameter Venting Horizontal 45 Degree Bird Screen, For NC380 Series Water Heaters
$37.00
Only 2 In-Stock
Learn More About Rinnai REU-MSB-C1
Rinnai
Rinnai - REU-MSB-C1 - Cable - Luxury Series - For Rinnai Ultra and Luxury Series Tankless Water Heaters.
$62.00
In-Stock
Learn More About Rinnai 184118-S
Rinnai
Rinnai - 184118-S - Roof Discharge Termination (Above Roof) - For Rinnai Luxury and Value Series Tankless Water Heaters (Except 98 series)
$73.00
In-Stock
Learn More About Noritz NWC-ADAPTER
$205.00
Only 4 In-Stock
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Learn More About DuraVent PPKIT-3VC-222
DuraVent
Includes: (1) Vertical Concentric Vent Kit, (1) Adjustable Roof Flashing, (2) Wall Straps, (6) 72" Straight Pipe Lengths, (2) Adjustable Pipe Lengths, (4) 45-Degree Elbows, (2) Appliance Adapters, (6) Locking Band Clamps.
$634.00
Factory-Direct
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Learn More About DuraVent PPKIT-3VC-78
DuraVent
Includes: (1) Vertical Concentric Vent Kit, (1) Adjustable Roof Flashing, (2) Wall Straps, (2) 72" Straight Pipe Lengths, (2) Adjustable Pipe Lengths, (4) 45-Degree Elbows, (2) Appliance Adapters, (2) Locking Band Clamps.
$530.00
Factory-Direct
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Learn More About DuraVent 3PPS-HKC
DuraVent
Includes (2) Locking Clamps, (2) Adapter Connector Clamps and (2) Appliance to PolyPro Adapters
$211.68
Factory-Direct
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Learn More About DuraVent PPS-PAC
$21.28
Only 1 In-Stock
Learn More About Takagi 100112188
$71.00
Only 2 In-Stock
Learn More About Water Heater Accessories WHKIT-RTL-T
$260.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.