Protecting critical control setpoints is non-negotiable in high-traffic commercial environments

The York S1-025-35381-000 Limit Switch is a critical HVAC safety control designed to monitor internal plenum temperatures and protect the heat exchanger from thermal stress

providing a definitive solution for chatter-prone or welded-pole scenarios

The thermal fuse is a non-resetting safety device

Contractors should verify the specific pressure rating on the existing failed switch

MARS 19167 Potential Relay Protecting critical control setpoints isThe MARS 19167 Potential Relay (Model 167) is a precision engineered motor starting component designed for heavy duty HVACR applications. This 420V potential relay features a specific pickup voltage range of 300V to 328V and a dropout voltage of 60V to 121V, ensuring accurate capacitor cutout once the motor reaches sufficient speed. Built with a 35 Amp contact rating and a 50 60 Hz universal frequency range, it provides reliable switching for high