the high-copper-content brass and precise machining meet the requirements for R410A and other high-pressure refrigerants typically found in residential and commercial service

Compact Profile: Ideal for ignition control retrofits where space between the burner and manifold is limited

and TLP models

Always verify your boiler's BTU rating and altitude requirements before installation

Cross-compatible with 191990A/U indices

York S1-025-41322-000 Limit Switch the high-copper-content brass and preciseThe York S1 025 41322 000 Limit Switch is a critical safety component designed for precise thermal monitoring within furnace and air handler heat exchangers. This OEM York furnace limit switch operates on an automatic reset logic with a calibrated temperature range of 120 160 degrees Fahrenheit. When the internal plenum temperature reaches the 160F high limit threshold, the bimetal disc triggers a circuit break to prevent heat exchanger fracturing or