York S1-025-41289-000 Temp Control 30067439-890 The fail-safe direction is determined

The fail-safe direction is determined at the time of installation by the mounting orientation of the TFRB actuator on the valve stem

making the unit compatible with combustion by-products and air that will not degrade the material

Versatile Application: Standard 1/4" NPT connection and 1/8" NPT vent make it compatible with most industrial gas pressure switch configurations

while the normally open port utilizes a 1/8" NPT connection for secure integration

Is a TXV included with the Nordyne 921483

York S1-025-41289-000 Temp Control 30067439-890 The fail-safe direction is determinedUpgrade or repair commercial and residential furnaces with the York S1 025 41289 000 Temp Control, a high performance HVAC limit switch engineered for critical thermal protection. This genuine York OEM replacement part is a primary safety component designed to break the electrical circuit when internal plenum temperatures reach 190F, preventing heat exchanger damage and hazardous conditions. Once the system cools to 160F, the bimetal disc