Build.com is now Ferguson Home. Learn more

Shipping to:Chico, CA

Are you a Pro?

GetPricing

Projects

Cart

Dream Kitchen

Learning Center

FREE Standard Ground Shipping on Orders over $49

Account

Projects

Call

(800) 638-8875

Cart

Shipping to:Chico, CA

Water Heater Accessories

308 Products

FiltersExpand All

In Stock

Product Type

Brand

Color

Finish Application

Features

More Ways to Shop

Product Function

Product Variation

Heating Technology

Power Source

Wattage

Capacity (Gallons)

Minimum Flow Rate

Fuel Type

Venting Type

Voltage

Kilowatts

Water Connection

Price

Length

Width

Height

Depth

Style

Customer Rating

Fall HVAC Sale

Save up to 8% on Select Tankless Water Heaters

Exp. 10/30/2025

Save Now

Shop by Product Style

Heating Element

Valves

Connector

Thermal Expansion Tank

Duct Covers and Vent Kits

System Controller and Controls

Shop by Fuel Type

Shop by Top Brands

Color: N/A

Jones Stephens 3/4" IPS Tankless Water Heater Valve Service Kit with Pressure Relief Valve

Model: D05102

$164.87

(1)

Color: N/A

PROFLO 2.1 Gallon Thermal Expansion Tank

Model: PFXT5I

$46.80

(3)

Color: N/A

PROFLO 2 Gallon Thermal Expansion Tank

Model: PFXT5

$48.72

(3)

Color: N/A

Noritz Inlet Filter for Tankless Water Heaters

Model: EGBD032

$17.44

(4)

Color: N/A

Rinnai Condensate Neutralizer Kit

Model: 804000074

$159.43

(1)

FREE Shipping

Color: N/A

ProSelect 1650 Watt Screw-In Heating Element

Model: PSW12320

$30.23

(1)

Color: N/A

PROFLO 3/4" FIP 24" Stainless Steel COR Water Heater Connector

Model: PFXCHFT24N

$14.89

(2)

Color: White

Noritz Recess Box for Tankless Water Heaters

Model: RB-510

$263.51

(1)

Color: N/A

PROFLO 4.8 Gallon Thermal Expansion Tank

Model: PFXT12I

$63.00

(1)

Color: N/A

Jones Stephens 3/4” SWT Tankless Water Heater Valve Service Kit with Pressure Relief Valve

Model: D05101

$164.87

(1)

Color: N/A

Noritz 26 Foot Remote Control Cord

Model: RC-CORD26

$27.83

(1)

Color: N/A

Noritz Lightning Arrester

Model: ERDJ011

$34.88

(1)

Color: N/A

PROFLO 4.4 Gallon Thermal Expansion Tank

Model: PFXT12

$61.80

Color: N/A

Noritz Quick Connect Cable for NRC83, NRC98, NR50, NR83, NR981, NRC1111, NC1991, NCC1991 Series Tankless Water Heaters

Model: QC-2

$33.21

(1)

Color: N/A

PROFLO 1/2 Inch NPT Stainless Steel Expansion Tank

Model: PFXT1SS

$36.12

Color: N/A

Noritz Ignitors for N-0751M

Model: EMUJ004

$34.88

(1)

Color: N/A

Noritz Fan Blower

Model: SKD7441

$209.25

(1)

Color: N/A

White-Rodgers 5.25" Lead G Type Receptacle Connector with .093" Male Pins Silicone Carbide Hot Surface Ignitor

Model: W767A370

$27.38

(1)

Color: N/A

Noritz Water Filter Cover

Model: DTJD006

$8.73

(1)

Color: N/A

Rinnai Pressure Activated Valve For Manifolding Value Series External Units

Model: REU-PVA-4

$126.78

FREE Shipping

Color: N/A

Jones Stephens 3/4” SWT Tankless Water Heater Valve Service Kit with Pressure Relief Valve and Gas Connector

Model: D05111

$232.72

Color: N/A

ProSelect Water Heater Tune-Up Kit

Model: PSW12901

$75.44

FREE Shipping

Color: N/A

Jones Stephens 3/4” IPS Tankless Water Heater Valve Service Kit

Model: D05002

$158.28

Color: N/A

ProSelect Plastic Igniter With Flashing Bracket

Model: PSW12202

$33.34

Color: N/A

PROFLO 1 FIP 24" Stainless Steel COR Water Heater Connector

Model: PFXCHGT24

$46.85

Color: N/A

Jones Stephens 1/2" Hot Water Thermometer with Brass Well - Straight Pattern

Model: J40501

$67.21

Color: N/A

ProSelect Commercial Grade Pilot Burner Assembly

Model: PSW12211

$127.74

FREE Shipping

Color: N/A

Noritz 10 Foot Remote Control Cord

Model: RC-CORD10

$15.67

Color: N/A

Rinnai Universal Recess Box for Models R63LSe and Value Series Units

Model: RGB-20U

$265.62

FREE Shipping

Color: N/A

Rinnai Pipe Cover Enclosure For External Value Series

Model: PC–20-W

$146.20

(1)

FREE Shipping

Color: Black

Real Flame 60 Inch Long Rubber Hose Cover

Model: R0001-BK

$40.50

(2)

FREE Shipping

Color: N/A

Noritz Outdoor Control for Gas Water Heater

Model: 0700757

$26.16

(1)

Color: N/A

PROFLO 3/4" x 18" FIP x MIP Corrugated Flexible Water Heater Connector

Model: PFXCHFM18N

$14.01

Color: N/A

ProSelect 52 Inch Universal Dip Tube

Model: PSW12501

$29.98

Color: N/A

PROFLO 2-3/8" X 4" Plastic and Steel Dielectric Nipple

Model: PFXDNGTKP

$66.56

Color: N/A

PROFLO 1 FIP 18" Stainless Steel COR Water Heater Connector

Model: PFXCHGT18

$40.07

Color: N/A

Rinnai Slave Cable To Connect Multiple Tankless Water Heaters Using the Manifold Controller

Model: REU-MSB-C1

$81.49

Color: N/A

ProSelect 30 Inch Universal Thermocouple Package

Model: PSTC30

$22.40

Color: N/A

ProSelect Control Valve and Thermostat for Natural Gas Water Heaters

Model: PSW12406

$300.64

FREE Shipping

Color: N/A

Jones Stephens 3/4” SWT Tankless Water Heater Valve Service Kit

Model: D05001

$133.93

Color: White

Jones Stephens 3/4 NPT TM RUN OFF TUBE

Model: J34980

$28.42

Color: White

Jones Stephens 60X3/4 T&P DCHRG PIPE

Model: J34975

$9.71

Color: N/A

PROFLO 1" x 3/4" FIP 24" Stainless Steel COR Water Heater Connector

Model: PFXCHGFT24N

$22.11

Color: N/A

PROFLO 3/4" x 24" FIP x F1960 Stainless Steel Water Heater Flexible Water Connector

Model: PFXCHF24PP

$14.89

Color: N/A

PROFLO 3/4" x 24" FIP x Sweat Stainless Steel Corrugated Flexible Water Heater Connector

Model: PFXCHFW24NA

$15.38

Color: N/A

PROFLO 3/4" x 24" Flexible Water Connector

Model: PFXCHFM24N

$15.12

Color: N/A

ProSelect 240 Volt Electric Upper Thermostat with Eco Adjustable Vacuum

Model: PSW12708

$32.56

Color: N/A

ProSelect 5500 Watt Screw-In Heating Element

Model: PSW12321

$31.61