RESIDENTIAL GAS FURNACE MODELS: TG9S*MP, GG9S*MP Gas piping may be connected from either side of the furnace using any of the gas pipe entry knockouts on both sides of the Direct Vent Terminal Clearances Canadian Installations1,3 US Installation2,3 A. Clearance above grade, veranda
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Use a strong, gas-tight insulated pipe with a cross section equal to that of the ﬂue collar or drafthood outlet and of sufﬁcient vertical height. signed to exhaust combustion gases through the side wall of Dual Water Heater Venting Figure 24:
Venting systems to ensure proper exhaust gas flow. of short duration compared to the gas furnace or boiler. What Issues Can Arise from Sidewall Venting? q Clearance Distance for Gas Appliance Sidewall Venting Research Project.
Homeowners are often surprised when their fairly new high-efficiency furnace shuts down vent pipe, blocking the exhaust flow. In high-efficiency models, the lower temperature of the exhaust can allow moisture (a by addition to shutting down the furnace, a blocked exhaust pipe can allow
Electric meters, gas meters, regulators and relief ALTERNATE HORIZONTAL VENT TERMINATION NOTE: If exhaust vent pipe is extended more than 24", rise per foot of pipe from the furnace to the vent terminal. This insures proper drainage of
M1801.1 Venting required. Gas-fired appliances shall be vented in accordance with Chapter 24. M1801.2 Draft requirements. A venting system shall satisfy CLEARANCE (inches) Single–wall metal pipe connectors: Oil and solid-fuel appliances 18
Venting & Draining Condensing Gas Furnaces venting with a one-pipe system (combustion air taken from the room the appliance is in) then You can’t talk about venting a condensing gas furnace without also discussing draining. The two
Must allow 30 inches minimum front clearance for service. WARNING: Some insulating materials are ALTITUDE FURNACE PIPE NUMBER OF SWEEP ELBOWS (each pipe) (SEE NOTE 1) INPUT Plan furnace gas supply piping so it will not interfere with
exhaust vent terminal and the exterior wall must be 12 inches (30.5 cm) Pipe Exhaust Vent Pipe Minimum Clearance Above Anticipated Snow Level Condensate Drain pipe and gas meter must be sized correctly.
MERIT® SERIES GAS FURNACE DOWNFLOW AIR DISCHARGE 506475−01 01/2011 EXHAUST PIPE FURNACE INTAKE Vent Pipe 3" (76mm) A− Clearance above grade or average snow accumulation B−Horizontal separation between intake and exhaust
90 HORIZONTAL GAS FURNACE INSTALLATION INSTRUCTIONS GAS FURNACE SAFETY Table of Contents Adequate clearance must be provided around the Check that the exhaust vent pipe terminates outside the