T104A1040 : Resideo Honeywell T104A1040 Braukmann, High Capacity, Thermostatic Actuator

Braukmann Resideo Honeywell T104A1040 High Capacity Thermostatic Radiator Actuator ( Controller, Operator ).
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.

Self-contained controller with sensor, setpoint dial and valve actuator in one unit. Adjustable limits. Mount horizontal. Not for use inside enclosures or in locations with restricted airflow around sensor. For V110 valves.

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 cast body with working parts in cartridge insert for ease of service.
Controls include sensor, set-point dial and valve actuator; components may be integral or connected by capillary tubes.
Requires no electrical connections.
Meets ASHRAE Standard 102-1989.
40 mm collar diameter.