Draining The Unit And Cleaning The Inlet Water Filter - A.O. Smith T-M32 Service Manual

12-19. Draining the unit and cleaning the inlet water filter

1. Close the manual gas shut off valve.
2. Turn off power to the T-M32, wait a few seconds. And then turn on again.
3. Wait 30 seconds for water valves starts to completely open.
Then turn off power to the T-M32, yet again.
4. Close the water shut off valve.
5. Open all hot water taps in the house. When the all
water flow has ceased, close all hot water taps.
6. Have a bucket or pan to catch the water from the
drain plugs of the T-M32. Unscrew the drain plugs to
drain all the water out of the T-M32.
7. Wait a few minutes to ensure all water has completely
drained from unit.
8. Clean the filter: Inspect the water filter located within
the cold inlet. With a tiny brush, clean the water filter
of any debris which may have accumulated and
reinsert the filter back into the cold water inlet.
9. Securely screw the drain plugs back into place. Hand-
tighten only.
T-M32 / T-M32 ASME Service Manual
Drain Plug
74
CONFIDENTIAL
Ver. 1.03
Water Valve
Drain Plug
with Filter
Gas Valve