Optimized Millivolt Output: The 25–35 mV range provides a strong signal to the magnet head

While it is an SPST open on pressure drop switch

making it a suitable upgrade for older 370V systems requiring extra dielectric strength

including LED

The black polyethylene finish provides superior UV resistance

Trane WHL1278 Wheel Els PW 17895 Optimized Millivolt Output: The 25–35When you're dealing with a vibration issue or a complete airflow failure in a Trane air handler, the Trane WHL1278 is the exact OEM replacement blower wheel you need to restore system balance. This is a heavy duty centrifugal fan wheel featuring a 6 1 2" diameter and a 7 5 8" width, specifically engineered for clockwise (CW) rotation. The hub is machined for a standard 1 2 inch bore, ensuring a precise fit on the motor shaft to prevent the "walking"