Reznor 201961 Limit 320720-756 you must select an NS8000

you must select an NS8000 model with the humidity (H) or CO2 (C) suffix

and local hydronic reheat valves

Advanced Motor Control: Features a sensorless brushless DC motor for maintenance-free operation and energy efficiency in holding mode

while the integrated strainer protects the rubber check valve seats from debris-related failure

Reznor 201961 Limit 320720-756 you must select an NS8000The Reznor 201961 Limit Switch is a high temperature safety control engineered for specific gas fired unit heaters, including Reznor UDAP, UDAS, UBX, and UBZ series. This OEM Reznor replacement part features a factory calibrated trip point of 275F (135C) to prevent heat exchanger damage and combustion failures. This SPST auto reset limit is identified by its distinct green dot, ensuring technicians can quickly verify the thermal rating during a field