syncFURNACE OD Instruction & Installation Manual – Rev 09 Pg. 19 of 81
2" [60mm] Natural Gas 30 feet [9.1m]
2" [60mm] Propane 30 feet [9.1m]
3" [80mm] Natural Gas 100 feet [30.4m]
3" [80mm] Propane 100 feet [30.4m]
Maximum Number of Elbows Does NOT Included Termination Elbows
Max Equivalent Length is Per Vent Run
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The use of cellular core PVC (ASTM F891), cellular core CPVC, or Radel®
(polyphenolsulfone) in the exhaust venting system is prohibited. Failure to follow
these instructions may result in property damage, personal injury, or death.
Covering non-metalic vent pipe and fittings with thermal insulation is
prohibited. Failure to follow these instructions may result in property damage,
personal injury, or death.
All vent and air-inlet materials installed on gas fired appliances in Canada or the
United States must meet the standards listed in the above Acceptable Vent
Materials Table. Failure to comply could result in fire, serious injury or death.