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

When troubleshooting a Bard HVAC limit switch trip

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

Wide Operating Range: Handles extreme -40°F to 180°F temperatures

check the control board for a stuck relay

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