Direct Vent Pipe Sizes

Direct vent pipe manufacturer duravent 158 metalbest 75 napoleon 33 takagi 12 noritz 2 rinnai 2 series directvent pro 157 direct temp 45 material aluminum 122 galvanized steel 114 stainless steel 63 copper 4 vent pipe size 4 x 6 5 8 134 5 x 8 89 4 18 3 6 5 5 2 3.

Direct vent pipe sizes. The outer pipe draws air for combustion from outside and the smaller pipe occupies the inner position and is used to vent the exhaust fumes. Nominal 4 id x 6 5 8 od and nominal 5 id x 8 od. Vents exceeding 40 feet 12 192 mm in developed length shall be increased by one nominal pipe size for the entire developed length of the vent pipe. High efficiency condensing furnaces require special plastic vent pipes as well as a plastic drain pipe to drain condensate created by the furnace.

Available pipe sizes lengths. Ventis direct vent pipe 13 by 13 inch removable base terra cotta mount co linear cap for 3 inch exhaust ventis. 7 12 24 36 and 48. Selkirk direct temp direct vent pipe offset support.

The required size of the drain shall be determined in accordance with table 710 1 2. This type is an ideal alternative to natural vent systems. Ventis direct vent pipe aluminum non vented 7 12 to 12 12 pitch roof flashing for 5 inch inner diameter ventis. Vent pipes shall not be less than 1 1 4 inches 32 mm in diameter.