Thread: Air Return within 10 ft of Firebox

Is this acceptable ? Return is within 6 ft. of gas logs firebox (is the rule within 10 ft. for this type application) there are two returns, one at front of house and toward the back

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M1602.2 Return Air Openings
Return air openings for heating, ventilation and air conditioning systems shall comply with all of the following:

1. Openings shall not be located less than 10 feet (3048 mm) measured in any direction from an open combustion chamber or draft hood of another appliance located in the same room or space.

Originally Posted by Sam Morris

Is this acceptable ? Return is within 6 ft. of gas logs firebox (is the rule within 10 ft. for this type application) there are two returns, one at front of house and toward the back

What type of gas log firebox is it? If the combustion chamber is in communication with the room, i.e. b-vent or open firebox, then no, the furnace return air needs to be 10 ft away. If the unit is a sealed direct vent fireplace, then the proximity of the return air is irrelevant.