Rheem 325 II Series Service Instructions Manual page 37

Fault Finding: Chart 7
7
Leaking Water Heater
Is the leak from the heat pump
module?
NO
Is the leak from the connections
to or from the heat pump module?
NO
Is the leak from the T&PR valve?
NO
Is the T&PR valve continuously
discharging water?
NO
Is the leak from the upper
electrical access cover?
NO
Is the leak from the anode?
NO
Is the leak from the cold water
fitting?
NO
Where a tempering valve is fitted.
Is the leak from the tempering
valve?
NO
TM077: 325 & 410 Series II Heat Pump Service Instructions
Rev 00: Issued April 2014
This document is stored and maintained electronically by
YES Is the water leak intermittent?
YES
Is the condensate drain tube
fitted?
NO
YES
YES
Is the water pressure more than
YES
80% of the T&PR valve rating?
NO
Is the correct T&PR valve fitted?
YES
Is the leak from the element
YES
barrel fitting weld?
NO
YES
YES
YES
NO
Confirm if leak is condensate draining
YES from the evaporator condensate tray.
Repair leak using Teflon thread tape.
1. Pressure limiting valve missing or
YES
Fit or replace pressure limiting valve.
2. Replace the T&PR valve if required.
Replace the T&PR valve with one of
NO
YES
Remove the element and replace the
Remove the anode and repair the leak
1. Remove the cold water fitting and
2. Replace the tempering valve if the
leak is through the casting or from a
Inner Cylinder leaking, check for hot
Service. All printed copies are deemed uncontrolled.
Repair leak or replace leaking
component as required.
Normal Operation
Fit a condensate drain tube and
advise the customer that some
discharge of water is normal
operation.
Replace flexible hoses.
Remove the T&PR valve and repair
the leak using Teflon thread tape.
faulty.
the correct pressure rating.
Do NOT use reconditioned T&PR
valves.
1. Check for a crossed water
connection.
2. Replace the T&PR valve.
Replace the storage tank.
Check for loose element bolts.
gasket.
using Teflon thread tape.
repair the leak using Teflon thread
tape.
2. Replace the fitting if the leak is
through the casting or from a quick
connect fitting.
1. Remove the tempering valve and
repair the leak using Teflon thread
tape.
quick connect fitting.
spots on the jacket. Replace the
storage tank.
37