Replacing the Drain Valve

To avoid electrical shock or property damage, disconnect power before installing or servicing equipment. A qualified technician must perform the service procedures.

HOT WATER

To avoid burns, use PPE when handling overflow tube and draining unit.

Open drain valve and empty water pan into a shallow pan or floor drain.
Remove all doors and racks from unit and carefully lay the unit on its back.
Loosen hose clamp on water hose and pull hose from water pan.
Turn drain valve handle to open position (pointed outwards).
Using 2 wrenches, turn drain valve counterclockwise, while holding fitting behind it. Remove drain valve assembly from unit. Full size units continue to Step 8.
Remove elbow from valve. (1/2-size units only)
Put pipe sealant on threads of elbow and install elbow in new drain valve. (1/2-size units only)
Put pipe sealant on threads of fitting, and install new drain valve assembly onto fitting.

Unit is now ready for use.