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DRAFT REGULATORS Model: B34 LISTED UNDER RE-EXAMINATION SERVICE OF UNDERWRITERS LABORATORIES, INC. LISTED UNDER LABEL SERVICE OF CANADIAN STANDARDS ASSOCIATION. NOT CSA CERTIFIED FOR SOLID FUELS. The regulator contained in this package is manufactured with careful precision. It is designed to regulate chimney draft with a high degree of accuracy and fuel efficiency.
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3. Turn "knurled nut" counter clockwise for less draft, clockwise for more draft. 4. When adjustment is made for desired draft, lock the "counter balance weight assembly" in place by tightening the "hex nut" located under the "knurled nut" against the gate. Page 2 P/N 46068600 Rev B 01/01...