it features a 1/2-inch by 4-inch steel shaft and rotates counter-clockwise (CCW) when viewed from the lead end

Common Questions: Is this diaphragm compatible with reverse-acting actuators

Common Questions Is the BAYEA1310BK1AA compatible with my air handler

Seamless Compatibility: Optimized for use with Honeywell C554A cad cells and standard low-voltage 24V thermostats

Always verify the lead length and fitting size against the manufacturer's parts list for your specific serial number

Reznor 258860 TXV 318973-401 it features a 1/2-inch byThe Reznor 258860 is a heavy duty thermal expansion valve (TXV) kit engineered for precise refrigerant metering in commercial cooling applications. This OEM replacement part is specifically calibrated for use with Reznor AUCA (size B 090), AUD2, and AUH3 air handlers and condensing units. As a vital component of the refrigeration cycle, this TXV kit regulates the flow of liquid refrigerant into the evaporator coil, maintaining the optimal superheat