Danfoss has been a trusted name in valves since Founded 1933, based in Denmark. The brand is particularly known for Thermostatic radiator valves, hydronic balancing solutions, and energy-efficient HVAC controls. Danfoss is positioned in the premium price tier, making it a premium investment for valves.

Danfoss Valves
Danfoss manufactures thermostatic radiator valves (TRVs), hydronic balancing valves, pressure-independent control valves, and zone valves for HVAC and hydronic plumbing systems. Their products are widely specified in commercial buildings, district energy systems, and high-efficiency residential heating installations.
Danfoss Valves Product Lines
Why Choose Danfoss for Valves?
Danfoss stands out in the valves market because of Thermostatic radiator valves, hydronic balancing solutions, and energy-efficient HVAC controls. Their products carry 3 industry certifications, including ISO 9001, UL Listed, CSA Certified, giving homeowners confidence in quality and compliance. Danfoss backs their valves with a Varies by product line; typically 2-5 year manufacturer warranty, which shows commitment to long-term reliability. With 4 dedicated product lines — RA-N Thermostatic Valves, AB-QM Balancing Valves, ASV Automatic Balancing, Zone Valves — there's a Danfoss option for virtually every need and budget.
Certifications & Standards
Warranty & Support
Where to Buy Danfoss Valves
Valves How-To Guides
View All →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.
Common Valves Problems
View All →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.
Valves Types
View All →Valves Buying Guides
View All →Danfoss Valves FAQ
Is Danfoss a good brand for valves?
Danfoss is a Danish multinational corporation and a global leader in engineering solutions for climate, energy, and infrastructure. Founded in 1933 by Mads Clausen, the company employs over 40,000 people in 100+ countries. In the plumbing and HVAC sector, Danfoss manufactures thermostatic radiator valves, hydronic balancing valves, heat exchangers, and variable speed drives for pump systems. Their products help optimize energy efficiency in heating, cooling, and water distribution systems.
What warranty does Danfoss offer on valves?
Danfoss offers Varies by product line; typically 2-5 year manufacturer warranty.
Where is Danfoss made?
Danfoss is based in Denmark, headquartered in Nordborg, Denmark.
What price range does Danfoss valves fall into?
Danfoss is positioned in the premium price tier for valves. You pay more but get superior quality, materials, and warranty coverage.
What valves product lines does Danfoss offer?
Danfoss offers 4 valves product lines: RA-N Thermostatic Valves, AB-QM Balancing Valves, ASV Automatic Balancing, Zone Valves.
What certifications does Danfoss have for valves?
Danfoss holds 3 certifications including ISO 9001, UL Listed, CSA Certified.
