No Risk of Undersizing - Twice the capacity of standard thermostatic radiator valves.

Four Sizes - 1/2", 3/4", 1" and 1-1/4".

Low Installation Costs - No wiring or electricity required.

Valve Seat Disc - Made of resilient material (EPDM) to ensure tight shutoff on steam or hot water systems.

Easy Maintenance - All working parts are in one replaceable cartridge; no need to shut down the system when servicing.

Variety of Patterns - Meet all your straightthrough, vertical-angle and horizontal-angle needs.

Multiple T104 Actuator Configurations - Variety of temperature sensing, temperature setting and valve coupling options available to fit virtually any application.

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