6" Barometric Draft Control Maintain consistant draft by counteracting the negative forces caused by changes in tempreature and barometric pressure, and the effects of wind. • Use with oil or coal residential or commercial appliances • Can use with pipe size within 1" of control size, designed for settings from .02" to .08"
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7" Barometric Draft Control Maintain consistant draft by counteracting the negative forces caused by changes in tempreature and barometric pressure, and the effects of wind. • Use with oil or coal residential or commercial appliances • Can use with pipe size within 1" of control size, designed for settings from .02" to .08"
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