Features:

Allow Automatic Temperature Control in Two-Pipe Steam or Hot Water Systems for Free Standing Radiators, Convectors and Other Heating Unit's with Standard Capacity Requirements
Provide Comfort and Energy Savings at Affordable Prices
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 (Perm), Ensures Tight Shut-Off on Steam or Hot Water Systems
Nickel-Plated Brass Casted 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 Tube
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

Specifications:

Manufacturer: Honeywell
Manufacturer Part Number: T100B1035
Product Type: Thermostatic Radiator Valve Actuator
Operating Temperature 48 to 79 Degrees F (Ambient)
Capillary Length: 6 1/2 Ft.
Collar Diameter: 1 3/16"
Sensor Type: Remote
Dimensions: 3.8" x 6.1" x 2.5"
Weight: 0.62 lb.