The switch closes its contacts at 450 PSI to start the condenser fan and opens them at 250 PSI to stop the fan

The assembly is paired with the LRB24-SR non-spring return actuator

including Intertherm and Miller brands

Industrial Durability: Robust material construction resists wear from steam

and ZR48K3-PFV-235

Maxitrol EFP-1 Cover Plate Only R-410A The switch closes its contactsProfessionals in the field understand that maintaining the external interface of control systems is non negotiable for system longevity. The Maxitrol EFP 1 Cover Plate is the specific replacement cover plate designed for seamless integration with the Maxitrol TD114, TD120, and TD121 remote temperature selectors. Engineered as a flush mount wall plate, this component ensures that the internal electronics of your HVAC temperature control interface