Description
The Honeywell/Resideo T3019W0NA, also known as the Thera‑6, is a direct-mount thermostatic radiator head designed for residential heating systems using V100 and V2000 radiator valves. Its integrated sensor and actuator provide intelligent, self-regulated room temperature control.
Specifications:
- Sensor: Integral
- Connection: M30 x 1.5 thread
- Specific Stroke: 0.0048 in/°F (0.22 mm/K)
- Temperature Set Point Range: 34 to 82°F (1 to 28°C)
- Minimum Operating Water Temperature: 104°F (40°C)
- Closing Force : 20 lbf (90 N)
- Thermal Expansion Element Material: Steel, copper bellows, filled with ethyl acetate
- Spring Ring Material: Steel
- Coupling Nut Material: Brass, nickel plated
- Maximum Ambient Temperature: 122°F (50°C)











