York 3400-3151 Limit Switch ensuring a leak-free path to

ensuring a leak-free path to your differential pressure transmitter or switch

Key Benefits Direct OEM Replacement: Engineered as the precise replacement for part number 800173F

This disc is suitable for two-position steam service up to 70 psi

and common chemicals found in HVACR systems

York 3400-3151 Limit Switch ensuring a leak-free path toThe York S1 3400 3151 Limit Switch is a critical safety component designed for high limit thermal protection in residential and commercial HVAC systems. This OEM replacement part is engineered to monitor furnace plenum temperatures, specifically calibrated with an open point of 175F and a close point of 125F. As an automatic reset limit switch, it eliminates the need for manual intervention once temperatures return to safe operating parameters.