Important - For Massachusetts Installations - Watts AERCO Edge CFR 3000 Operator's And Service Manual

SECTION 1 SAFETY PRECAUTIONS
1.4 IMPORTANT – For Massachusetts Installations
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The boiler must be installed by a plumber or a gas fitter who is licensed within the
Commonwealth of Massachusetts.
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Prior to unit operation, the complete gas train and all connections must be leak tested
using a non-corrosive soap.
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The vent termination must be located a minimum of 4 feet above grade level.
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