32 | Regency Horizon™ HZ42STE-10 Gas Fireplace|32installationVertical Venting with Two (2) 90o ElbowsVertical Venting with Two (2) 90o ElbowsFor additional vertical venting with2 x 90o elbows, refer to "Rigid PipeVenting Arrangements" Section.One 90o elbow = Two 45o elbows.Option V H V+V1 With these options,maximum total pipelength is 30 feet withminimum of 6 feet totalvertical and maximum 8feet total horizontal.Please note minimum1 foot between 90 oelbows is required.A) 1' Min. 4' Max. 2' Min.B) 2' Min. 5' Max. 3' Min.C) 3' Min. 6' Max. 4' Min.D) 4' Min. 7' Max. 5' Min.E) 5' Min. 8' Max. 6' Min.One 90o elbow = Two 45o elbows.Option H + H1 V With these options, maximumtotal pipe length is 30 feetwith minimum of 6 feet totalvertical and maximum 6 feettotal horizontal.Please note minimum 1foot between 90o elbows isrequired.A) 2' Max. 2' Min.B) 3' Max. 3' Min.C) 4' Max. 4' Min.D) 5' Max. 5' Min.E) 6' Max. 6' Min.Restrictor Position - Set 0 (factory setting)Restrictor Position - Set 0 (factory setting)VERTICAL TERMINATIONSRIGID PIPE 4" X 6-5/8"• Two 45 o elbows equal to one 90o elbow. Maximum of four 45o elbows allowed, not including the starting 45o elbow at the flue collar.• Vent must be supported at offsets.• Minimum distance between elbows is 1 ft. (305mm).• Maintain clearances to combustibles as listed in the "Clearances" section.• Horizontal vent must be supported every 3 feet.• Firestops are required at each floor level and whenever passing through a wall.• Must use optional rigid pipe adaptor (Part# 510-994) when using rigid pipe vent systems.