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danger of inlet vent too close to exhaust vent
john123
Member Posts: 83
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It will completely wreck any furnace or boiler. This is a problem I encounter frequently. For some reason a lot of installers seem to think this doesn't matter when it's a critical part of the installation. Recirculation of flue games destroys circuit boards, igniter and flame sensors, gas valves and and all other component exposed to it.2
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A Real no no. You wouldn't want to stand too close to a car's muffler either... Could cause "drain bamage!" Mad Dog 🐕0
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Do condensing boiler designs tend to dump the intake into the cabinet ( as opposed to piping the intake to the fan directly ) ?
If so, running the unit with the cover off could potentially suck a good load of CO into the room, ?
30+ yrs in telecom outside plant.
Currently in building maintenance.0 -
Some pipe into the cabinet, some direct to the fan.
If the room meets the criteria in the manual, you can pull intake air from the space also.
The exhaust is in a sealed pipe, hopefully, so no exhaust is leaking into the room, no CO either
If you put your hand over the intake you feel suction, not unlike a carburetor, so air can only enter the combustion chamber when it is running.
Most all have a blocked vent cutoff safety also.Bob "hot rod" Rohr
trainer for Caleffi NA
Living the hydronic dream0
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