Always verify the valve model number on the body or nameplate

Using this genuine Williams part ensures compatibility with existing motor mounts and blower wheels (such as the 115V or 240V configurations)

As a critical component in high-output furnace and boiler systems

Is the 571-04178-281 cable compatible with all Mustang drive configurations

intermittent "no heat" calls with a 15Hz signal present at the valve

ClimateMaster 33B0043N10 TXV 318423-701 Always verify the valve modelWhen you're out in the field dealing with a geothermal or water source unit thats pulling a vacuum or showing erratic superheat, a reliable Thermostatic Expansion Valve is your first line of defense. The ClimateMaster 33B0043N10 TXV is a heavy duty metering device engineered specifically for precision refrigerant control in high performance heat pump systems. Featuring a 1 2" x 1 2" ODF connection, this valve ensures a secure, leak free sweat fit that