Honeywell T100B1035 thermostatic Radiator Actuator

T100B1035 Thermostatic Radiator Actuator. Continually monitor and adjust room temperature for consistent comfort and relief from under-heating and overheating. Valve seat disc, which is made of resilient material (EPDM), ensures tight shutoff on steam or hot water systems. Nickel-plated brass casted body with working parts in cartridge insert for ease of service. Controls include sensor, setpoint dial and valve actuator; components may be integral or connected by capillary tubes. Require no electrical connections. All working parts are replaceable using service tool (MT100C1016) while valve remains in service, in-line, under pressure. Valves normally open without control mounted. Valves may also be used with MV100 Electric Zone Valve Actuator.