What is the difference between a standard and heavy pattern valve

Rated for 24 to 277Vac

This listing is for the physical bulb well hardware only

and neutral gases in industrial control systems

Trane WHL2168 Blower Wheel Els PW 17895 What is the difference betweenThe Trane WHL2168 Blower Wheel is a precision engineered OEM replacement blower wheel designed for high static residential and light commercial air handling units. Featuring a 12x12 diameter and width, this centrifugal wheel is balanced to minimize vibration and reduce mechanical stress on the blower motor. The counter clockwise (CCW) rotation and 1 2 inch bore ensure a direct fit for compatible Trane and American Standard furnaces and fan coil