Resetting it may restore power

and R-507A refrigerants

This 3/4" NPT gas valve features a thermopile magnet and a slotted safety magnet

In what orientation should this regulator be installed

Trane SWT1429 Limit Switch 323055-751 Resetting it may restore powerAs a seasoned technician, you know that a tripped Trane SWT1429 Limit Switch is often the first sign of a restricted heat exchanger or blower motor failure. This 3 prong primary high limit switch is a critical safety component designed to monitor the supply plenum temperature in Trane and American Standard furnaces. Engineered to open the 24V control circuit when internal temperatures exceed safe operating parameterstypically around 175F to 190F