Precautions Check
Ensure that the pressure relief valve is installed with no valves or other means of isolation
between its inlet and the boiler.
Make sure the relief valve outlet is piped with unobstructed piping (minimum ¾" diameter) to
a safe discharge location.
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If the appliance is likely to be exposed to fluid temperatures below 34° F (1° C), a method of
protection to prevent freezing of condensate should be employed. Contact the factory for
further information.
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When the appliance is in operation, assess the impact of the steam plume normally at the
exhaust terminal of a condensing boiler.
Generally, intake and exhaust pipes should terminate at a rooftop or sterile wall location.
Boiler condensate is corrosive. Protective measures must be taken to prevent corrosion
damage to metal roofs or other metal building components in contact with the condensate.
Keep exhaust plumes well away from all building air intakes including those of neighboring
properties.
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Caution
Care must be taken to properly size the boiler for its intended use. Prolonged full fire run
time, over-sizing or under-sizing, and incorrect flow rates through the boiler can lead to
increased maintenance costs, equipment stress and premature failure.
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