When diagnosing short-cycling or thermal lockout issues

High Temperature Tolerance: Rated for medium temperatures up to 266°F

it provides a secure connection to the motor shaft

while the threaded coupling simplifies field installation

the 031780500 TXV power head modulates refrigerant flow through the expansion valve assembly

Lochinvar & A.O. Smith 100167817 Ignition Module THPU32HP7Y When diagnosing short-cycling or thermalThe Lochinvar & A. O. Smith 100167817 Ignition Module is a critical OEM replacement for RLY3006 and S8610H30 18, engineered to handle sequence control in high efficiency gas fired appliances. This 24V intermittent pilot ignition control manages the gas valve, detects flame presence, and provides safety shutoff for residential and commercial heating systems. Operating at 24 VAC (50 60Hz) with a 150mA current draw, it is the direct factory authorized