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10 Best water heaters parts of 2026
Save up to 22% off
Best Choice1
Rheem9.9Exceptional
Rheem SP20867C Combination Gas Control Replacement Kit – Natural Gas (NG) Water Heater Valve, OEM Thermostat & Gas Regulator
16% Off
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Careful review Our team ensures quality, value, and fit based on real user feedback
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Value for Money2
A. O. Smith9.7Exceptional
AO Smith 100112342 - K,FINAL BURNER ASSY,NAT,16",#37 ORIFICE
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3
Reliance9.6Exceptional
Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith, Reliance, State, and American Branded Water Heaters
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product dimensions: 12W x 8H
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item weight: 1.94 pounds
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batteries included: No
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item model number: 9007884005
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best sellers rank: 100,890 in Tools & Home Improvement See Top 100 in Tools & Home Improvement 118 in Water Heater Replacement Parts
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4
9.3Excellent
Corro-Protec Powered Anode Rod for Water Heater, 20-Year Warranty, Eliminates Rotten Egg/Sulfur Smell within 24 hours, Stops Corrosion and Reduces Limescale, Electrical Anode Rod Made of Titanium
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product dimensions:1"W x 12"H
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item weight:15 ounces
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batteries included:No
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item model number:CP-R
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best sellers rank:#3,381 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #1 in Water Heater Replacement Parts
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5
Camco9.1Excellent
Camco Automatic Temperature and Pressure Relief Valve with Extension Probe and Lever | Features an All Brass Body with a Stainless Steel Pressure Spring | (10473)
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6
RV Designer8.9Very Good
RV Designer E371, Water Heater Door Cam Lock, 2 Per Pack, Exterior Hardware
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product dimensions: 5 x 1 x 3 inches
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color: One
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item weight: 0.6 ounces
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special features: Water Heater Door Cam Lock
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special feature: Water Heater Door Cam Lock
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7
DROMIX8.8Very Good
EWH-02 Electric Water Heater Tune-Up Kit, Water Heater Parts - Two 4500W 240V Heater Elements, Universal Upper Water Heater Thermostat, Lower Thermostat and Protective Covers. Fits Most brands
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product dimensions:N/A
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item weight: 1.74 pounds
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batteries included: No
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item model number: EWH-02
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best sellers rank: 84,124 in Tools & Home Improvement See Top 100 in Tools & Home Improvement 92 in Water Heater Replacement Parts
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8
HYDRO MASTER8.7Very Good
HYDRO MASTER Tankless Water Heater Service Valve Kit with Pressure Relief Valve 3/4-Inch IPS Isolator Clean Brass
22% Off-
product dimensions:N/A
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item weight:3.75 pounds
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batteries included:No
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item model number:0560301
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best sellers rank:#5,732 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #2 in Water Heater Replacement Parts
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9
UHEGDRR8.6Very Good
3 in 1 RV Water Heater Replacement Parts Kit Compatible with Atwood Dometic, 91365 RV Water Heater Control Circuit Board, 91447 Thermal Cut Off & Thermostat Kit, 93868 Spark Probe Igniter Electrode
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10
8.3Good
Lrichy 5 in 1 Value RV Water Heater Parts Spare Kit for Suburban, 520814 Control Circuit Board, 232306 & 232282 T-STAT and E.C.O Switch, 232258 Igniter Electrode, 232362 Electric Element Switch
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