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6 combination of indoor and outdoor combustion air, 1 outdoor opening(s) location, 2 outdoor opening(s) size – AERCO Esteem Boiler with EZ-Set Controller User Manual

Page 25: 7 combustion air and vent piping

6 combination of indoor and outdoor combustion air, 1 outdoor opening(s) location, 2 outdoor opening(s) size | 7 combustion air and vent piping | AERCO Esteem Boiler with EZ-Set Controller User Manual | Page 25 / 188 6 combination of indoor and outdoor combustion air, 1 outdoor opening(s) location, 2 outdoor opening(s) size | 7 combustion air and vent piping | AERCO Esteem Boiler with EZ-Set Controller User Manual | Page 25 / 188