Owner’s Manual – Solar Water Heaters
23
H3165 029664 Rev. B
General:
Regular servicing will help to keep
the water heater operating safely
and efficiently.
Your water heater warranty is not conditional
on completing the regular servicing
recommended in this manual. The conditions
applying to your water heater warranty are
set out on page 28.
Six Month Service:
This service may be carried out by the
owner.
1. Stand clear of the Pressure &
Temperature Relief (PTR) Valve drain pipe
outlet.
2. Open the PTR Valve for approximately
10 seconds by lifting the easing lever on
the valve. Confirm water discharges to
waste through the drain pipe.
3. Lower the easing lever gently and check
it closes correctly.
4. Repeat the above process for the
expansion control valve (if installed).
5. Clean the solar collector surface as
described on page 24.
Other than this, personally inspecting or
servicing any part of the water heater is not
recommended.
Two Year Service (Gas Boosted
Models):
The instantaneous gas water heater should
be serviced every two years.
Please refer to the instantaneous gas water
heater Owner’s Guide for further information.
System Maintenance
