TM 10-4510-206-14
5-7.
REPAIR PROCEDURES (CONT'D)
o.
Low Water Probe Assembly.
The low water probe assembly comprises an
electrode fitting and an electrode.
Only one wire connects to the
assembly because the water in the water heater completes the electric
circuit.
Repair the assembly by replacing the electrode fitting or the
electrode.
Both parts must be removed from the water heater to replace
one part.
Removal of the low water probe assembly requires the partial
removal of the high limit and operating limit controls.
Proceed as
follows.
WARNING
Electrical power furnished to the water heater can be
hazardous to life.
Do not work with live circuits.
Make certain ac power is removed from the water heater
before performing the following procedures.
Ensure water heater is cold before servicing the high
limit temperature control.
The water vessel becomes hot
during operation and burns or bodily injury may result
from contact with the water heater before it cools.
5-78
