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Ships within 48 hours · Estimated delivery Sep 12 - Sep 17
Common Questions Is this orifice compatible with both Natural Gas and Liquid Propane systems
Precision Thermal Calibration: Calibrated to open exactly at 155°F to ensure immediate burner shutdown during overheating events
Optimized Restoration: Returns 2-inch stroke actuators to factory-spec pressure response without replacing the entire housing
this thermal safety switch acts as a fail-safe mechanism
By utilizing a fixed orifice
York S1-025-26366-001 Limit Switch Common Questions Is this orificeThe York S1 025 26366 001 is a high precision HVAC furnace limit switch engineered for critical temperature regulation within commercial and residential gas fired units. This OEM York replacement part features a standardized SPDT configuration designed to disrupt the burner circuit if heat exchanger temperatures exceed safe operating parameters. Operating on an auto reset thermal disk mechanism, the unit is calibrated for an operating temperature