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This spdt limit switch is engineered to meet the exact airflow and thermal response requirements of your gas-fired unit heater
the design is universal for the E3 Point housing
It is essential to verify your target setpoint falls within this band before installation
using this genuine Lennox 94H80 prevents the over-firing and high-flame issues associated with incorrect aperture sizing
this model features a concealed design with no thermometer window and no setpoint adjustment window
York S1-025-27733-002 Rollout Switch This spdt limit switch isThe York S1 025 27733 002 Rollout Switch is a critical safety component designed for precise thermal monitoring in residential and commercial furnaces. This Double Pole Single Throw (DPST) switch provides redundant circuit protection, essential for identifying combustion issues or venting failures. Engineered with a 175F open temperature and a 95F close temperature, it ensures the system shuts down immediately if flame rollout is detected, preventing
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