This listing is for the physical bulb well hardware only

the Emerson XB-1019A-1B features a large diaphragm diameter that generates substantial force

ensuring the pilot burner remains stable under varying gas pressures

Can the ZG-AFB118 be used with non-spring return Belimo actuators

Fail-Safe Operation: A spring return mechanism ensures the valve defaults to the closed position to protect the system during electrical failures

Trane WHL2168 Blower Wheel Els PW 17895 This listing is for theThe 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