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The stem cap is securely retained by a rugged strap
By translating control signal changes into mechanical force
allowing for optimized staging and load adjustments based on ambient conditions
this flame sense rod utilizes the flame rectification principle to monitor ion flow during the combustion cycle
York S1-2940-3161 Switch Els PW 17895 The stem cap is securelyThe York S1 2940 3161 Fan and Limit Switch is a critical OEM replacement component designed for precise thermal regulation within HVACR systems. This reliable furnace limit control is factory calibrated with a 105F opening temperature and a 120F closing temperature (105Op 120Cl), ensuring the blower fan cycles correctly to maximize airflow efficiency and prevent heat exchanger overheating. As an HVAC high limit switch, it provides an essential safety
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