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Hot water plumbing leaks
If hot water has not been used for a period of time, feeling the temperature of the hot water
line may give an indication of water flow if the pipe is warm. The method of checking for
plumbing leaks is:
1. Turn off the stopcock on the cold water supply to the water heater.
2. Open a hot tap to ensure the flow of water stops. This will confirm the stopcock is
operating correctly.
3. Turn off the hot tap.
4. Turn on the stopcock to make up the water pressure in the water heater, and then turn
the stopcock off again.
5. Wait approximately 5 minutes then do either of the following:
a. With your ear close to the stopcock turn it on slightly and listen for any water
passing. If there are any leaks, the sound of water flowing would be audible.
b. Open a hot tap while listening for any pressure release. If there is a pressure
release there will be no leaks in the plumbing system.
Discoloured water
This may be the result of discoloured water entering from the cold water mains. Check if
the cold water is also discoloured.
Fault Finding Chart Index
No hot water
High energy bill / Insufficient hot water
Leaking water heater
Water too hot
Noisy water heater
Electrical insulation test
TM039 Rheem Water Star Service Instructions REV: A
Date of Issue: 02/09
This document is stored and maintained electronically by
Fault
Service. All printed copies not bearing this statement in RED are deemed "uncontrolled"
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