Caution
Installers should inquire of local water purveyors
as to the suitability of their supply for use in
hydronic heating systems.
If water quality is questionable, a local water
treatment expert must be consulted for testing,
assessment and, if required, treatment.
Alternatively, water or hydronic fluid of known
quality can be brought to the site.
□
Check water pressure and temperature.
There should be no noticeable change if combi boiler is
functioning normally. Check for any noise in the system.
Annually
□
Check water piping for damage or leaks and repair as
needed.
Annually
□
Check the water pressure. Pressure should be stable when
the combi boiler is firing and the water temperature is
rising.
If pressure rises sharply, consider replacement of
expansion tank.
Annually
□
Check also for noise at high fire, which may signal water
quality problems.
Annually
□
Water chemistry shall be of a quality generally accepted as
suitable for hydronic applications.
Annually
□
Ensure any direct “city fill” water connections are left in the
closed position to minimize exposure to leaks and flooding.
Annually
□
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