Refurbished Water Heater Parts — 119 Deals

119 open-box and refurbished Water Heater Parts deals are live for shoppers in the US right now, with discounts averaging 30% off retail. Prices range from $5 to $236, and every listing shows the seller's condition grade, current price, savings versus list price and stock status — so you can compare before you buy. Top brands on sale include Rheem, Eastman, Podoy and Cash Acme. Inventory syncs from Amazon and other partner stores throughout the day; open-box stock is usually one-of-a-kind, so the best deals sell out fast.

119 live US listings.

USA

Rheem

Rheem SP20867C Combination Gas Control Replacement Kit – Natural Gas (NG) Water Heater Valve, OEM Thermostat & Gas Regulator

$126⁹⁰

Rheem ProTech Burner Assembly Replacement Kit ULN (Ultra Low NOx) Self-Powered - SP21099

$215⁰³

SharkBite 3/4 Inch Push to Connect Tankless Water Heater Valves Installation Kit, 25374

$72²⁹

Cash Acme 3/4 Inch Tank Booster Water Heater Thermostatic Mixing Valve with Temperature Gauge and Corrugated Hose, PEX Pipe, PE-RT, CPVC, Copper, 24643

$77⁹⁷

Rheem RRTG20251 All Clear Water Treatment System

$105⁸¹

Rheem RTG20227 Pipe Cover Kit Fits RTGH Series Indoor/Outdoor Condensing Models

$49³⁹

Rheem Burner Assembly Replacement Kit ULN Self-Powered (Ultra Low NOx) - SP21098

$235⁴⁴

Libra Supply 3/4 inch Press Isolation Valve Kit with Pressure Relief Valve for Rheem Tankless Water Heater, FNPT x Press, 3/4'' Service Valve for Rinai, Ecosmart, Navien, Noritz Takagi Bosch

$38⁷⁶

Pilot Assembly Replacement Kit

$38⁷³

RecPro RV Water Heater Circuit Board 91367

$38⁷³

Noritz IK-WV-200-3-TH-LF 3/4 Inch Threaded Isolation Valve Kit with Male 500K Btuh Pressure Relief Valve - N/A

$22⁸⁵

Refill condensate neutralizer (All Models)

$20⁶⁷

Gas Control (Thermostat) - NG

$198²⁰

LeakBreaker 3/4" NPT Water Heater Shut-Off Valve & Actuator

$185⁰¹

HE 90240 Tankless Water Heater Element & FSA QC MEDLRG Heating Water Flow Sensor for Ecosmart Eco 36 27 18 24 Electric Tankless Hot Water Heater Replacement Parts, 9000W 240V, Pack of 2

$43⁰⁰

Reliance water heater gas control valve 100112336 trade number WT8840B 160 Degree F 1" Cavity made by Resideo

$106¹⁵

Certified Termination Kit - 8 in.

$63³³

Titanium HE 55220 Tankless Water Heater Heating Element, Screw in 5.5KW 220V Replacement Part. Compatible With Ecosmart ECO POU 6 ECO 8, ECO 11, and Eco smart Water Heater Heating Elements .（2Pcs）

$11⁸⁴

Element – 240V/4500W Stainless Steel Dry Fire Resistant LWD - 1 in. Screw-in

$9⁰¹

VERIWIS Instant Hot Water Recirculating Pump Kit Replace 595916 0955805

$131³⁶

Eemax EX2194 Element 10.5KW 480V Delta Electric Tankless Water Heater

$67²⁸

Rheem SP20127 Pilot Assembly W/R Nat

$17²⁵

Chromex Tankless Water Heater Flush Kit with 4 Quarts Certified Liquid Descaling Solution and 1/6HP Extra Strength Pump

$154⁶⁵

Upgraded 91365 RV Water Heater Ignition Control Circuit Board Fit for Atwood Dometic GC6AA-10E, GCH6A-10E, GC10A-4E, WH6GEA, WH10GEA, Replace 91226 91346 93305 9385112 VDC Gas & Electric Models

$24⁵⁴

Water Heater Parts open-box FAQ

How much can I save on open-box Water Heater Parts?

Discounts on Water Heater Parts at OpenBoxFox currently average 30% off retail across 119 live listings, with prices from $5 to $236. Savings are measured against the manufacturer's list price.

Are open-box and refurbished Water Heater Parts safe to buy?

Yes — every listing shows the seller's condition grade (from open-box "Like New" to certified refurbished) before you buy. You purchase directly from the seller, such as Amazon, and that seller's standard return policy applies to your order.

Which Water Heater Parts brands are on sale open-box right now?

The most-listed brands in Water Heater Parts at the moment are Rheem, Eastman, Podoy, Cash Acme and CAMPLUX ENJOY OUTDOOR LIFE. New open-box inventory arrives daily, so brand availability changes often.

How often are Water Heater Parts deals updated?

OpenBoxFox syncs Water Heater Parts inventory from partner stores throughout the day. Sold-out listings are removed automatically and new deals appear shortly after we find them.

Shop more: Refurbished Tools & Home Improvement · Refurbished Plumbing · Refurbished Water Heaters & Parts