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P/N 42-9473 11/07 Copyright 2007 Mestek, Inc.
Cast iron condensing boiler
Cast iron condensing boiler
— User’s information manual
Air inlet inspection
procedure
(see item 4, page 6)
Air from the boiler room: If the boiler air inlet takes air from the
boiler room (no air piping connected to the air inlet, item 4, page 6
— the room must have air openings into the room as described in
the Boiler manual. Make sure the air openings are not obstructed.
Air piped to boiler: If boiler air is provided with air piping from
outside, make sure the air piping is fully supported with no sags.
All joints must be intact. And the air intake fi tting outside must be
unobstructed and in good condition.
Make sure that snow, leaves or other debris are not blocking the air
inlet.
Make sure there are no contaminants or fl ammable materials
around the boiler or the air intake.
If you fi nd any problems with the air inlet system, immediately turn
the boiler off and contact your qualifi ed service technician.
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Vent system inspection
procedure
(see item 3, page 6)
Check the entire run of the vent system where possible.
The vent pipe should be fully supported with no sags.
All joints should be intact and secure.
Make sure the vent outlet is unobstructed and in good condition.
There should be no signs of corrosion of the vent pipe or
indications of dripping water.
Make sure that snow, leaves or other debris are not blocking the
vent outlet.
If you fi nd any problems with the vent system, immediately turn the
boiler off and contact your qualifi ed service technician.
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Checking water system
components
Pressure/temperature gauge (on top rear of boiler) — The pressure
gauge should never read above about 24 PSIG. Higher pressure
probably indicates a problem with the system expansion tank.
Relief valve (on top rear of boiler) — Observe the relief valve and
discharge piping. Make sure there are no signs of dripping water.
The piping discharge must be unobstructed an located where hot
water from the discharge would not pose a hazard to anyone.
Also inspect any other components if recommended by your
qualifi ed service technician.
Contact your qualifi ed service technician immediately if you see
any problems.
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Report problems
immediately
If you observe any problems with the boiler or system, immediately
consult your qualifi ed service technician.
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Care and maintenance instructions
