Owner’s Manual – Prodigy 5
14
H1651 1651 Rev. G
Pressure And Temperature Relief
Valve Running
It is not unusual for the valve to allow
a small quantity of water to escape
during the heating cycle. The amount
of discharge will depend on hot water
usage. As a guide, if it discharges more
than 20 litres of water in 24 hours there
may be a problem.
Continuous trickle
Likely build up of foreign matter. Try
gently raising the easing lever on the
relief valve for a few seconds. This
may dislodge a small particle of foreign
matter and rectify the fault. Release lever
gently.
Steady ow emitted
Likely causes are excessive water
supply pressure or a faulty pressure
valve.
No Hot Water
Is the relief valve discharging too much
water? See “Pressure and Temperature
Relief Valve Running”.
Do you have the correct size water
heater for your requirements? Sizing
details are available from your Dux
supplier.
Is one outlet (especially the shower)
using more hot water than you think?
Carefully review the family's hot water
usage and if necessary check the
shower ow rates with a bucket and
a watch. If it is not possible to adjust
water usage patterns, an inexpensive
ow control valve can easily be tted to
the shower outlet.
High Gas Bills
Is the relief valve discharging too much
water? See “Pressure and Temperature
Relief Valve Running”.
Is one outlet (especially the shower)
using more hot water than you think?
See “No Hot Water”.
Is there a leaking hot water pipe or
dripping hot water tap? A small leak can
waste a large quantity of hot water.
Replace faulty tap washers and have
your plumber rectify any leaking
pipework.
Troubleshooting
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