Skip to main content
You are not logged in. (
4D Training Services
Moodle commercial hosting
Moodle commercial support
Wednesday, 1 April 2020, 8:37 AM
Plumbers School (Home)
The section of consumers' piping and fittings extending from the point of delivery to the house piping.
A pipe connecting upward from a soil or waste stack to a vent stack for the purpose of preventing pressure changes in the stacks.