Radiator Valves | McMaster-Carr

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Closed Until Temperature Rises

Open Until Temperature Rises

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Temperature Regulator

Valve Function

Temperature Regulation

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REACH

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EAR99

DFARS Specialty Metals

Exempt

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Compliant with Exemptions

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290 Products

Control of Liquids, Gases, and Solids

Air-Release Valves for Water and Coolant

Body is brass.

Corrosion-Resistant Air-Release
Valves for Water and Coolant

These valves are made of corrosion-resistant materials for use in wet conditions and harsh environments.

Inline Air-Release Valves for Water

An internal wire brush traps air bubbles and discharges them through the top relief port while allowing inline flow from the inlet to the outlet.

Key-Operated Air-Release Valves for Water

Turn the key to manually vent radiators and heaters.

Remote-Reading Temperature-Regulating
Valves for Water, Oil, and Steam

Body is bronze.

Compact Remote-Reading Temperature-Regulating
Valves for Water, Oil, and Steam

Nearly half the height of our other remote-reading temperature-regulating valves, these are often used in low-clearance areas.

Temperature-Regulating
Valves for Water and Steam

Mix steam and cold water to reach your set outlet temperature more quickly than valves that only mix hot and cold water.

Easy-to-Install Threaded Gradual On/Off Valves

A threaded union on these valves makes them easy to install and remove without disrupting your line.

Motor-Driven On/Off Valves
with Solder-Connect Fittings

Slide copper pipe into the solder-connect fittings on these valves and weld for a strong, permanent connection.

Control of Liquids, Gases, and Solids

Air-Release Valves for Water and Coolant

Corrosion-Resistant Air-ReleaseValves for Water and Coolant

Inline Air-Release Valves for Water

Key-Operated Air-Release Valves for Water

Remote-Reading Temperature-RegulatingValves for Water, Oil, and Steam

Compact Remote-Reading Temperature-RegulatingValves for Water, Oil, and Steam

Temperature-RegulatingValves for Water and Steam

Easy-to-Install Threaded Gradual On/Off Valves

Motor-Driven On/Off Valveswith Solder-Connect Fittings

Corrosion-Resistant Air-Release
Valves for Water and Coolant

Remote-Reading Temperature-Regulating
Valves for Water, Oil, and Steam

Compact Remote-Reading Temperature-Regulating
Valves for Water, Oil, and Steam

Temperature-Regulating
Valves for Water and Steam

Motor-Driven On/Off Valves
with Solder-Connect Fittings