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Is an external equalizer line required for this TXV
allowing technicians to fine-tune the range between the cut-in and cut-out points to meet specific system requirements
Wide Voltage Compatibility: Handles 24V
or restricted combustion air
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