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MAINTENANCE
Verify the cleaness and correct filling of the
condensate traps.
9.11 Visual inspection of appliance
Visually inspect all water joints, seals and
connections for any evidence of leakage
and retighten, grease or replace them as
necessary.
9.12 Gas pressures and soundness
Check appliance for gas soundness. Re-
check operational pressures as described
in section "Checking the gas supply pres-
sure" to page 48.
9.13 Water inhibitor concentration
Where chemical products are used the level
of water treatment should be checked on an
annual basis and re treated after full or par-
tial drain down. A conductivitymeter can be
used to check the correct concentration of
inhibitor in the heating water.
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