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Honeywell

A brand of Resideo Technologies (Honeywell Home brand)
Founded 1906 United States mid-range price 95,000+ employees

About Honeywell

Honeywell International Inc. (NASDAQ: HON) is a Fortune 100 multinational conglomerate. In the plumbing and HVAC industry, Honeywell (through its Resideo spin-off and legacy Honeywell Home brand) manufactures water heater gas control valves, zone valves, water leak detectors, mixing valves, and whole-home water management systems. Honeywell gas controls are found in the majority of residential gas water heaters in North America, making them one of the most critical plumbing component suppliers in the industry.

Known for: Gas control valves found in most residential water heaters in North America, plus smart water leak detection and zone valves

Product Categories

Valves

Honeywell manufactures motorized zone valves for hydronic heating systems, thermostatic mixing valves, water leak detection and automatic shut-off systems (Lyric Wi-Fi Water Leak and Freeze Detector), and pressure/temperature relief valves. Their V8043 zone valve is one of the most widely installed in residential hydronic systems.

Product Lines: V8043 Zone Valve Lyric Water Leak Detector AM-1 Mixing Valve Motorized Ball Valves
View Honeywell Valves

Water Heaters

Honeywell gas control valves and thermostats are the OEM standard in the majority of residential gas water heaters sold in North America. Their electronic ignition controls, gas valves, and thermocouple assemblies are essential replacement parts for water heater maintenance and repair.

Product Lines: Gas Control Valves Electronic Ignition Controls Thermocouples Thermostat Controls
View Honeywell Water Heaters

Certifications & Standards

UL Listed CSA Certified Energy Star

Warranty

Varies by product; typically 1-5 year manufacturer warranty

Related How-To Guides

How to Replace a Shut-Off Valve

Swap a stuck, leaking, or unreliable shut-off valve for a modern quarter-turn ball valve -- compression, threaded, and push-fit connections all covered.
How to Adjust a Pressure Reducing Valve

Test your water pressure, find the PRV on your main line, and adjust it to a safe 50-60 PSI -- before high pressure wears out your fixtures, appliances, and water heater.
How to Fix a Leaking Gate Valve

Stop a dripping gate valve stem -- tighten the packing nut, replace the packing, or swap the whole valve for a ball valve, depending on what the situation calls for.
How to Adjust Water Temperature

Set your gas or electric water heater thermostat to the right temperature for comfort, safety, and lower energy bills -- plus how to verify the actual output with a thermometer.

Common Problems

Stuck Shut-Off Valve

Usually discovered during an emergency -- something is leaking and the valve will not budge. Older gate valves seize after years of disuse. Fix ranges from penetrating oil and patience to full replacement.
Leaking Valve Stem

Water dripping from around the valve handle or packing nut -- packing failure, not a pipe leak. Fix is usually tightening the nut or replacing the packing, often with the water still on.
PRV Failure -- High Water Pressure

Failing PRV lets dangerously high pressure into the house. Bursts supply lines, damages appliances, causes hammer, shortens fixture life, leaks everywhere. Normal is 40-60 PSI. Above 80 is dangerous and needs immediate attention.
Leaking Water Heater

Water around the base demands immediate attention -- floor damage, mold, electrical hazards. Could be loose fittings, a failing T&P valve, a bad drain valve, or a rusted-through tank that needs replacement.