Glory Kitchen Drain Vent Requirements

Main horizontal waste line where possible.

Kitchen drain vent requirements. You might need another elbow of any degree to position the vertical vent where you want it. Its purpose is to equalize pressure in the pipes and prevent a vacuum from forming as the fixture drains. A secondary stack perhaps 2 or 3 inches in diameter serves a branch of the system.

In earlier codes a vent pipe was required to be the same size as the building drain and many plumbers have maintained that tradition making 3-in. You can connect the kitchen vent to the main vent in the attic as long as the main vent is the proper size and extends through the roof. Vent stacks in a household plumbing system work the same way.

Wet Vent Rules. Some states codes allow level vents. The Air Break is not to be used for fixtures and equipment.

3 feet 6 inches under the UPC. But if the drain is sloped at 38 inch per foot the maximum length is less than what someone might assume with just a quick glance at the tableit is actually 533 feet. Both kitchen 1-12 inches and bathroom 1-14 inches are smaller than the rest of the drain system on purpose.

For the piping after the trap the IRC requires 1 12-inch pipe while the UPC requires 2-inch pipe. Toilet Vent Option 3. The air gap between the indirect waste pipe and the flood level rim of the waste receptor shall be a minimum of twice the effective opening of the indirect waste pipe.

A wet vent can handle all the fixtures in two bathroom groups a bathroom group is a lav toilet bidet and tub or shower. Branch drainpipes of smaller diameter typically 1-12 or 2 inches. You must do the perfect fitting for the drain pipes following the relevant plumbing codes.