22
Periodic Maintenance
If the water drain valve (with water filter) is covered with debris, the hot water may not run
smoothly, or the unit may put out cold water. Check and clean the filter as explained below.
* To avoid burns, wait until the equipment cools down before draining the water.
The appliance will remain hot after it is turned off.
Water Drain Valve (with Water Filter)
1. Close the water supply valve.
2. Open all hot water fixtures.
3. With a bucket ready, remove the drain plug (1) and then turn the drain plug (2) to the left to open
(Not necessary to remove). Wait approximately 30 seconds.
About 0.65 gallon (2.5 L) will drain out.
After that remove the drain plug (3).
4. Take the water drain valve (with water filter) out of the inlet. (See illustration as below).
5. Clean the water drain valve (with water filter) with a brush under running water.
6. Replace the water drain valve (with water filter) and close the drain plugs.
(Take care not to lose the packing.)
7. Close all hot water fixtures.
8. Open the water supply valve and check that water does not leak from the drain plugs or water
drain valve (with water filter).
Regular Maintenance-2
Drain Plug (1)
Water drain valve
(with water filter)
Packing
Inlet
Drain Plug (3)
Water Supply Valve
Drain Plug (2)