FC2500 Furnace Installation and Operation Manual
4 The venting system
WARNING: DO NOT INSTALL A MANUAL DAMPER ON THIS FURNACE.
CAUTION: BEFORE THE CONNECTOR PIPES ARE INSTALLED, MAKE SURE THAT THE EXHAUST PIPE AND / OR THE EXCHANGERS OF THE FURNACE ARE FREE OF ALL ITEMS. 4.1 The chimney - The furnace must be connected to a factory-built metal chimney that complies with UL 103 HT (USA) or ULC S629 (Canada). o Strongly recommended inner diameter : 6" (152 mm). o A chimney having a diameter of 7" (178 mm) is permitted, if it allows the proper venting of combustion gases and that such application is verified and authorized by a qualified installer. Otherwise, the diameter of the flue must be reduced to 6" (152 mm) by the use of a stainless steel liner made for this purpose. 4.1.1 Factory-built metal chimneys To be suitable, a factory-built metal chimney also called “high temp” chimney, must comply
with UL 103 HT (USA) or ULC S629 (Canada). - Use only components intended for the brand and model of chimney you are using. - Never substitute parts from other chimney brands. - Never fabricate your own components. - The chimney must be a type suitable for solid fuel. - To be safe and effective, the chimney must be installed exactly in accordance with the manufacturer’s instructions.
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