Installed in a 3 in. PVC white DWV piping drainage system. This is to provide waste water backflow protection to fixtures and floor drains, below the flood plane. Provided with a rubber O-ring, and cap for inside cleaning and inspection.

• Protects basements and other low level areas from the backflow of sanitary sewer, storm sewer, or septic system
• Positive seal created by neoprene O-ring
• Injection molded in PVC
• Easy to install
• Comes complete with O-ring
• Flame retardant, will not support combustion in the presence of an ignition source
• Hand tightened lid plus a half turn provides a complete seal
• Can be buried up to 16 in. when used with a CANPLAS backwater valve sleeve kit

Installed in a 4" PVC white DWV piping drainage system. This is to provide waste water backflow protection to fixtures and floor drains, below the flood plane. Provided with a rubber o-ring, and cap forinside cleaning and inspection.

• Protects basements and other low level areas from the backflow of sanitary sewer, storm sewer, or septic system
• Positive seal created by neoprene O-ring
• Injection molded in PVC
• Easy to install
• Comes complete with O-ring
• Flame retardant, will not support combustion in the presence of an ignition source
• Hand tightened lid plus a half turn provides a complete seal
• Can be buried up to 16 in. when used with a CANPLAS backwater valve sleeve kit