Raypak X-THERM 1005–2005 Installation & Operating Instructions Manual

Also see for 1005-2005: Specification sheet Specifications

Table M: Category IV Vertical Venting1 Vent lengths are based on a lateral length of 2 ft. Refer to the latest edition of the NFGC for further details.* Subtract 10 ft per elbow. Max. 4 elbows.** Adapters supplied by others.TerminationThe vent terminal should be vertical and should termi-nate outside the building at least 2 ft above the highestpoint of the roof that is within 10 ft. The vent capshould have a minimum clearance of 4 ft horizontallyfrom and in no case above or below (unless a 4 ft hori-zontal distance is maintained) electric meters, gasmeters, regulators and relief equipment.The distance of the vent terminal from adjacent publicwalkways, adjacent buildings, open windows andbuilding openings must be consistent with the NFGC(U.S.) or B149 (Canada). Gas vents supported only byflashing and extended above the roof more than 5 ftshould be securely guyed or braced to withstand snowand wind loads.Fig. 23: Vertical Ventingnal. The horizontal portions of the vent shall also besupported for the design and weight of the materialemployed to maintain clearances and to prevent physi-cal damage or separation of joints.NOTE: A vent adapter (field-supplied) may be re-quired to connect the Category IV vent to the heater.ModelNo.CertifiedVentMaterialVent Size(in.)Vertical VentHeight1 (ft) Combustion AirIntake PipeMaterialAir InletMax. Length* (ft)Min. Max. 6” Ø 8” Ø 10” Ø1005Category IV(AL29-4C)60 75GalvanizedSteel,PVC,ABS,CPVC45 100**1505 8 45 85**2005California Hot Water Supply, Inc.(800) 249-724425