Designed for rugged field use with a focus on long-term switching reliability in varying ambient conditions

000 Ohm thermistor curve for exact compatibility with TCF-series controllers

063 inch bore for accurate BTU matching and system balance

This 125V 60Hz mechanical timer motor is specifically engineered for the T1900

Is the UB564 compatible with variable speed controllers

Danfoss AVTBWELL Brass Well 30067439-890 Designed for rugged field useThe Danfoss AVTBWELL is a high grade 3 4" brass thermowell engineered specifically for the 0. 7" diameter sensors used in AVTB and AVTB RA thermostatic water valves. This immersion pocket acts as a protective barrier, allowing for the inspection or replacement of the temperature sensor without needing to depressurize or drain the HVACR system. Constructed from corrosion resistant brass, it provides a stable environment for precise thermal sensing,