ISSUE 2016 Rev 1 - Installation Manual
3
ThermaQ
T & P VALVE - FAULT FINDING
Is warm/hot water running
from the Tundish?
Fault Fixed?
Temperature & Pressure
Relief Valve.
YES
NO
Do you have
pressure?
YES
NO
No fault
with the T&P.
No fault
with the T&P.
Replace T&P if
required.
Replace T&P if
required.
Check temperature
setting of the cylinder stat.
Reduce stat temperature
or reset Limit Switch.
Check Cold Inlet
Pressure Relief Valve
Check T&P Valve cap for
tightness/dirt.
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