Trane WHL2167 Blower Wheel 322838-754 Use a calibrated manifold gauge

Use a calibrated manifold gauge set to check the actual suction pressure against the switch's 30 PSI trip point and verify electrical continuity across the terminals

engineered for precise flow control in demanding hydronic systems

The LAC series should be installed in the liquid line

the internal windings have likely opened

which can lead to impeller imbalance and motor failure

Trane WHL2167 Blower Wheel 322838-754 Use a calibrated manifold gaugeThe Trane WHL2167 Blower Wheel is a precision engineered OEM replacement part designed for high static pressure applications in residential and light commercial air handlers. Featuring a 10x10 CCW blower wheel configuration, this double inlet centrifugal fan is built to withstand the torque and rotational demands of Trane and American Standard blower motor assemblies. The unit utilizes a 1 2 inch bore with a secure hub mounting system to maintain