The NDS gravity flow Backwater Valve is designed to protect low areas or basements from the backflow of waste from street sewers. It is available in 2", 3", 4" and 6" sizes PVC material. It is a cost effective and a chemically resistant alternative to cast iron valves.
The quick action flapper allows unrestricted uni-directional flow. Elastomeric gasket in the flapper ensures a watertight seal. Flapper can be easily removed and replaced if required. Threaded access cap is designed for hand tightening. Access cap neoprene gasket provides a positive seal. Valve hub outlets fit 2", 3", 4", or 6" DWV pipe and may be adapted to 2", 3", 4", or 6" sewer and drain pipe with NDS DWV to Sewer & Drain Adapters.
PVC Backwater Valve Components
Please call Customer Service at 800-716-1994 (international phone 559-562-9888) for price and availability of these components.
Backwater Valve Box
Use this box to isolate and protect your backwater valve. The NDS gravity flow Backwater Valve is designed to protect low areas or basements from the backflow of waste from street sewers. It is available in 3", 4", and 6" sizes in either ABS or PVC. It is a cost effective and chemically resistant alternative to cast iron valves. The quick action flapper allows unrestricted uni-directional flow. An elastomeric gasket in the flapper ensures a watertight seal. Valve hub outlets fit 3", 4", or 6" DWV pipe and may be adapted to 3", 4", or 6" sewer and drainpipe with NDS DWV to Sewer & Drain Adapters.
Diverter Valve
NDS Diverter Valve is the strongest and most econimacal diverter valve ever inveted for septic tank leach fields. It's made of thogh molded plastic that will not shatter, bend, rust or correde. It;s lighter, easier to handle and liess expensive to ship than the competition.
DIVERTER & BACKWATER VALVES
