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T104A1040

Honeywell T104A1040 High-Capacity Thermostatic Radiator Actuator

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The Honeywell T104A1040, thermostatic radiator actuator, provides precise and automatic control of room temperature in two-pipe systems by modulating the flow of hot water or steam through free-standing radiators, convectors and other heating units with high capacity requirements. Features Continually monitor and adjust room temperature for consistent comfort and relief from under-heating and overheating. Designed with the higher capacity normally required by North American heating systems. Valve seat disc, which is made of resilient material (EPDM), ensures tight shutoff on steam or hot water systems. Nickel-plated bronze 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. Meet ASHRAE Standard 102-1989. 40mm collar diameter.