Description
LEGEND Backwater Valve, Series: S-640, 4 in Nominal, Solvent, 5 psi, PVC Body, 10-3/4 in W x 6-3/4 in H, Import
Features:
- The stepped body design places the inlet socket-end higher than the outlet, promoting the correct drop-per-foot and improving flow efficiency
- Heavy-duty Acme-threaded access lid can be removed using the end of a dimensional 2 x 4 in board of correct length, to ease clean-out or repair
- Lid and flapper are equipped with an O-ring or gasket seal, assuring a positive seal-out of sewer gasses
- Manufactured with 100% virgin resins, no re-grind
- Designed for horizontally-installed, low-or-no pressure gravity-flow DWV systems only
- Not suitable for upward-flow vertical installations or pressurized systems
Standards/Approval:
- ASME A112.14.1-2003
- ASTM D1784/D2665
- IAPMO Listed
- IPC Listed File No. 4790
- ISO 9002
- UPC Listed
Warranty:
5 Years Limited
