Furnace exhaust pipe code. Do propane heaters give off moisture. Clearance is dependant on whether the vent is of single double or triple walled construction. The 4way multipoise Category IV condensing furnace is CSA designcertified as a direct vent 2pipe or nondirect vent 1pipe furnace. Furnaces have vent pipes to avoid the building up of these gases in its operating area. They should be near where your furnace is on the inside. Gas Code ANSI Z2231NFPA 54 in USA and current CSAB149 Natural Gas and Propane Installation Codes in Canada for details.
When gas burns it produces water as a by-product. The greater the BTUH input of the furnace the greater is the amount. Clearance must be in accordance with local installation codes and the requirements of the gas supplier 3a. The exhaust vent terminal shall be located at least 3-feet above any forced air inlet located within 10-feet. How hot should a furnace exhaust pipe get.
Department of Commerce National Technical Information Service 5285 Port Royal Road Springfield VA 22161 phone. Other Aspects of High Efficiency Furnace Venting. Clearance must be in accordance with local installation codes and the requirements of the gas supplier 3a.
These pieces will be held together by at least four sheet metal screws. They should be near where your furnace is on the inside. Other Aspects of High Efficiency Furnace Venting. First locate your furnace and find the intake and exhaust pipes. Exhaust ventilation for exhausted enclosures shall comply with Section 50282. Starting at the furnace install your new flue pipe to the chimney connection. EXHAUST PIPE FURNACE INTAKE.