Installation Instructions
Page 8
...system during pressure testing at pressures greater than 1/2 psi. 1½" (38 mm) A. 33/8/8""NNPPTTddryryeerrppipipee Venting Requirements WARNING Venting ■■ Review Vent system chart. DURASAFE™ venting products are recommended. ■■ Rigid metal vent is required for use a plastic vent. Rigid.... ■■ 4" (102 mm) heavy metal exhaust vent and clamps must be used for cleaning. 8 Elevations above 10,000 ft. (3,048 m): ■■ When installed above sea level at altitudes up to this elevation. Gas supply pressure testing ■■...
...system during pressure testing at pressures greater than 1/2 psi. 1½" (38 mm) A. 33/8/8""NNPPTTddryryeerrppipipee Venting Requirements WARNING Venting ■■ Review Vent system chart. DURASAFE™ venting products are recommended. ■■ Rigid metal vent is required for use a plastic vent. Rigid.... ■■ 4" (102 mm) heavy metal exhaust vent and clamps must be used for cleaning. 8 Elevations above 10,000 ft. (3,048 m): ■■ When installed above sea level at altitudes up to this elevation. Gas supply pressure testing ■■...