vent area

  1. C

    Attic Vent System up to code?

    Greetings, I’m pretty sure this vent system is to code but, I’m a rookie and still learning ALOT so I figured I’d throw it out there and see if anyone sees something wrong? - It’s for 2 bathroom sinks, 2 toilets, 1 shower, 1 washing machine and a 1 kitchen sink. - All the branches are sloped...
  2. Greenthumb77

    Tankless Water Heater Venting

    My old gas water heater was replaced with a Navien gas tankless NPE 240A2. The old water heater was located in a small closet that was built into the outside of the house that has a door with a vent screen in it. This is where the Navien was installed. Instead of venting it with pipe and...
  3. KingPEX

    Adding Standpipe to existing Drain and Vent

    Greetings, So, I'm tired of the small laundry sink clogging when the washer discharges. In the picture you can see the discharge hose on the right hanging over the sink. I'd like to add a Stand Pipe. Can I add to the drain running to the left of the sink? The sink is trapped under it. The...
  4. RJ539

    Soil Stack Vent Area

    Loc'n: Rural Spokane County, WA Is there any provision within the UPC venting requirements that would allow me to reduce the my 3" dia. soil stack down to a 2" dia. vent stack extending above the highest branch drain and then thru the roof, short of adding a second 2" dia. vent stack (for a...
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