3" DWV STREET WYE COPPER PRESSFIT-FPT ADAPTER semi-viscous liquid for use as

semi-viscous liquid for use as a coating on black pipe to improve leak-free sealing of no-hub couplings

2 Slip Sch40 Cap

This 3/4 inch double check valve backflow preventer assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements

It may be installed under continuous pressure service to protect against both backpressure and backsiphonage

The vent stack is part of the plumbing system and helps to regulate air pressure

3" DWV STREET WYE COPPER PRESSFIT-FPT ADAPTER semi-viscous liquid for use as3 DWV Wye Street SP x H x H