when in a duplex what is the code for installation of a back water valve
Some help here maybe?
http://www.orderline.com/$industry/Plumbing.html
Or here.....
http://www.opia.info/members/
This sounds like a job for Rob Ford. You'll surely see plenty of crack when he bends over to install the valve.
This is a Simple Dialog Demo.
richard the plumber
Ducky
digger
