Radiator Valves | McMaster-Carr

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Open Until Temperature Rises

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Temperature Regulator

Valve Function

Temperature Regulation

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Connects To

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Compliant with Exemptions

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DFARS Specialty Metals

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Inlet Pipe Size

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290 Products

Control of Liquids, Gases, and Solids

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.

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.

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.

Key-Operated Air-Release Valves for Water

Turn the key to manually vent radiators and heaters.

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.

Control of Liquids, Gases, and Solids

Easy-to-Install Threaded Gradual On/Off Valves

Motor-Driven On/Off Valveswith Solder-Connect Fittings

Temperature-RegulatingValves for Water and Steam

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

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

Key-Operated Air-Release Valves for Water

Air-Release Valves for Water and Coolant

Corrosion-Resistant Air-ReleaseValves for Water and Coolant

Inline Air-Release Valves for Water

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

Temperature-Regulating
Valves for Water and Steam

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

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

Corrosion-Resistant Air-Release
Valves for Water and Coolant