EPDM (12E) is the standard for most HVACR applications due to its superior temperature range and environmental resistance

and optimize the refrigerant compression cycle

and auxiliary alarm or lighting outputs

check the control board for a stuck relay

The Veris Industries H-800 Current Switch is a high-performance solid-core go/no-go current switch designed for building automation systems and HVAC load monitoring

Belimo PRBUP-3-T-250 Actuator 324846-701 EPDM (12E) is the standardThe Belimo PRBUP 3 T 250 Actuator is a high torque Non Fail Safe rotary actuator engineered for precise On Off control in heavy duty HVAC applications. Operating on a universal supply voltage of 24 to 240 VAC DC, this butterfly valve actuator delivers 1420 in lb [160 Nm] of torque, making it suitable for large diameter valve bodies. The NEMA 4X IP66 rated housing ensures reliable performance in demanding environments, while the integrated dual SPDT