The opening point is set using the range adjustment screw located at the top of the valve

and required O-rings

The Functional Devices RIBU2S2 is a versatile enclosed pilot control relay designed for reliable switching in building automation

reducing wiring complexity and potential interference

IO Hvac Controls UT-SWM Universal Thermostat 321142-301 The opening point is setThe iO HVAC Controls UT SWM is a professional grade universal thermostat smart wire module engineered to resolve complex wiring challenges in the field. Functioning as a 2 to 5 wire adapter, this system allows technicians to transmit up to five individual 24VAC digital outputs over a single pair of conductors between the thermostat and the indoor air handler. Utilizing dual microprocessor technology, the sender module encodes thermostat signals with