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. Rigid metal vent: ■■ For best drying performance, rigid metal vents are recommended. 4" (102 mm) heavy...9632; Rigid metal vent is recommended to avoid crushing and kinking. Burner input adjustments are acceptable only if accessible for each 1,000 ft. (305 m) increase in death or fire. IMPORTANT: Observe all governing codes and ordinances. Flexible metal vent: ■■ ...
...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. Rigid metal vent: ■■ For best drying performance, rigid metal vents are recommended. 4" (102 mm) heavy...9632; Rigid metal vent is recommended to avoid crushing and kinking. Burner input adjustments are acceptable only if accessible for each 1,000 ft. (305 m) increase in death or fire. IMPORTANT: Observe all governing codes and ordinances. Flexible metal vent: ■■ ...