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Are the threads standard NPT
and 400 series inverted bucket traps for versatile field application
Differential expansion
maintaining original equipment specifications for tension and length
York S1-7142-3091 Limit Switch Are the threads standard NPTThe York S1 7142 3091 Limit Switch is a critical safety component designed for precise thermal regulation in York, Coleman, and Luxaire gas furnaces. This SPST automatic reset limit switch functions with a 110 150F temperature range, opening the circuit at 150F and automatically closing at 110F to prevent heat exchanger overheating. As a direct OEM replacement for 626245 and 626246, it maintains factory specifications for high limit protection.