allowing it to function as either a sequencing relay for staged heating and cooling or a switching relay for standard on/off operations

governing defrost cycles in heat pump applications

this 10k thermistor sensor supports both constant volume (CAV) and variable air volume (VAV) applications

frequent flame sensor trips

and also fits select Armstrong and Ducane heating units

Belimo 22UTH-53 Sensor 319848-301 allowing it to function asFor demanding building automation projects, the Belimo 22UTH 53 Outdoor Humidity and Temperature Sensor provides professional grade accuracy with the versatility of dual 4 20mA analog outputs. Engineered with a polymer capacitive sensor and a stainless steel wire mesh filter, this unit ensures reliable relative humidity monitoring even in harsh environments. The NEMA 4X IP65 rated housing and integrated weather shield protect the sensitive electronics