Best Honeywell Thermostat For Water Heater In November 2026

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Are you looking for the Top 10 Best Honeywell Thermostat For Water Heater? Well, just grab a cup of coffee and read on! We are huge fans of Best Honeywell Thermostat For Water Heater and have done our comprehensive research here.

To help you in your search, we have completed this list of the Best Honeywell Thermostat For Water Heater.

Top Rated Best Honeywell Thermostat For Water Heater Of 2026

Rank	Product Name	Score
1	Honeywell WT8840B1000 Water Heater Gas Control Valve, NAT 160 Degree F 1" Cavity Buy Now	9.7 Buy Now
2	RELIANCE WATER HEATER CO 9007890 Honey LP Gas Valve Buy Now	9.5 Buy Now
3	Reliance Hot Water Heater Gas Control Valve 100112336 9007884005 100093974 1" Cavity Thermostat Buy Now	9.1 Buy Now
4	Honeywell WT8840A1000 Gas Valve, White Buy Now	8.8 Buy Now
5	Honeywell WT8840A1500 Gas Valve, White Buy Now	8.6 Buy Now
6	A.O. Smith by Honeywell Gas Control Valve 100262939 2" Cavity Natural Thermostat Compatible Buy Now	8.3 Buy Now
7	Reliance Water Heater Liquid Propane Gas Control Valve 100112338 9007890005 100093977 6911135 Thermostat Buy Now	8.1 Buy Now
8	Kenmore 100262939 Water Heater Gas Control Valve Genuine Original Equipment Manufacturer (OEM) Part Buy Now	7.8 Buy Now
9	RELIANCE WATER HEATER CO 9007884005 Honey Electronic Gas Valve Buy Now	7.5 Buy Now
10	Kenmore 9007884 Water Heater Gas Valve and Temperature Control Assembly Genuine Original Equipment Buy Now	7.2 Buy Now

1. Honeywell WT8840B1000 Water Heater Gas Control Valve, NAT 160 Degree F 1" Cavity

• Temperature range: 32 to 150 f
• Mounting in the upright position
• Temperature ratings: ambient-- 0 c to 60 c. inlet/outlet size (in.) - 1/2 inch. npt x 1/2 inch. inverted flare. capacity - min. 30 ft3/hr, max. 75ft3/hr
• An included integrated ntc temperature sensor reads water temperature within the appliance up to 221 f (105 c)
• Pressure regulator setting (psi): 5.0 in. wc

2. RELIANCE WATER HEATER CO 9007890 Honey LP Gas Valve

• Fits reliance standard liquid propane water heaters with honeywell control
• It is a gas valve and we suggest our users to install the valve by a professional
• This product adds a great value
• 9007890 honey lp gas valve
• This product is manufactured in china

3. Reliance Hot Water Heater Gas Control Valve 100112336 9007884005 100093974 1" Cavity Thermostat

• Temperature ratings: ambient-- 0 c to 60 c, tco limit-- 87 c
• Honeywell gas control valve is compatible with all a.o. smith manufactured products including a.o. smith, reliance, state, and american branded heaters
• Temperature control assembly 100112336 supplies the burner with gas to heat the water
• A service technician is recommended for the repair to ensure the gas supply line is leak free
• Please provide model and serial number of your water heater if you need us to determine correct gas valve part number!

4. Honeywell WT8840A1000 Gas Valve, White

• Product dimensions: 6.0 x 6.0 x 4.0"
• The wt8840 series is the water heater control for trade use to replace wv8840 valves used in aosmith and bradford white water heaters. it is designed for use in standing pilot applications using an immersion well for water temperature sensing. an included integrated ntc temperature sensor reads water temperature within the appliance up to 221 f (105 c)
• Water heater gas valve, standing pilot with piezo,
• Brand name: honeywell. country of origin: mexico

5. Honeywell WT8840A1500 Gas Valve, White

• Product dimensions: 6.0 x 6.0 x 4.0"
• Brand name: honeywell
• Water heater gas valve, standing pilot with piezo,
• Country of origin: mexico

6. A.O. Smith by Honeywell Gas Control Valve 100262939 2" Cavity Natural Thermostat Compatible

• Please provide model and serial number of your water heater if you need us to determine correct gas valve part number!
• Temperature ratings: ambient-- 0 c to 60 c, tco limit-- 87 c
• A service technician is recommended for the repair to ensure the gas supply line is leak free
• Honeywell gas control valve is compatible with all a.o. smith manufactured products including a.o. smith, reliance, state, american, whirlpool and craftmaster branded heaters
• Temperature control assembly 100262939 supplies the burner with gas to heat the water

7. Reliance Water Heater Liquid Propane Gas Control Valve 100112338 9007890005 100093977 6911135

• Liquid propane gas control valve is compatible with all a.o. smith manufactured products including a.o. smith, reliance, state, and american branded heaters
• Intended use with a liquid propane gas hot water heater
• Please provide model and serial number of your water heater if you need us to determine correct gas valve part number!
• A service technician is recommended for the repair to ensure the gas supply line is leak free
• Temperature control assembly 100112338 supplies the burner with liquid propane to heat the water

8. Kenmore 100262939 Water Heater Gas Control Valve Genuine Original Equipment Manufacturer (OEM) Part

• A service technician is recommended for this repair because the gas supply line connections must be checked for leaks after the repair
• This is a manufacturer substitution. part may differ in appearance but is a functional equivalent to prior parts including, 9008987
• This gas control valve (part number 100262939) is for water heaters
• Genuine original equipment manufacturer (oem) part. compatible brands: kenmore
• This part is compatible with models including, 153572500,153576500,153572400,153573400,153576300,153576410,153576400,153579400,153576310

9. RELIANCE WATER HEATER CO 9007884005 Honey Electronic Gas Valve

• Note : this is a gas control valve and should be installed by a professional and not by homeowner as that potentially voids any warranty by not including professional installation.
• This product adds a great value
• This product is manufactured in china

10. Kenmore 9007884 Water Heater Gas Valve and Temperature Control Assembly Genuine Original Equipment

• The temperature control thermostat controls the gas valve
• This part is compatible with models including, 153331620,153331840,153331830,153331651,153331882,153332421,153331630,153579510,153331682,153331661
• Gas valve and temperature control assembly 9007884 supplies the burner with fuel to heat the water
• This gas valve and temperature control assembly (part number 9007884) is for water heaters
• Genuine original equipment manufacturer (oem) part. compatible brands: kenmore