Reznor 234301 Limit Switch R-407C Is an external equalizer line

Is an external equalizer line required for this TXV

or differential pressure between 0

allowing technicians to fine-tune sensitivity to differentiate between a broken belt and a functional motor under load

and fitting to restore safe operations and prevent common gas heater pilot failures

As a veteran-grade hot water relief valve

Reznor 234301 Limit Switch R-407C Is an external equalizer lineThe Reznor 234301 Limit Switch is a critical safety component designed for precise thermal regulation in HVAC unit heaters. Engineered as a genuine Reznor OEM replacement part, this L150 40F limit switch serves as a high limit safety cut out to prevent heat exchanger damage and hazardous overheating conditions. This specific surface mount limit switch features a 150F trip point and a 40F differential, meaning it breaks the electrical circuit when