NDS JUMBO RECTANGULAR EXTENSION ONLY:
Add an extension if you need extra room. Extension is 6" tall.
Valve BOX and Valve COVER are NOT included with the EXTENSION.
- Fits on top of the 13"X20" NDS-117BC Jumbo Rectangular Valve Box
- Injection molded of recycled polyolefin material with a melt
index between 10-12.
- Coloring and UV stabilizers are added, along with processing lubricants when needed.
- The cover seat shall have 16 structural ribs on the underside of the seat, each with a minimum thickness of .250"
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Above diagram is of the COVER ONLY
(Not Included with Extension)
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Above diagram is of the EXTENSION (NDS-117-6) ONLY
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This diagram reflects the VALVE BOX (NDS-117BC) that the EXTENSION fits. Valve BOX is NOT included with the EXTENSION. Use these dimensions to determine if the EXTENSION will properly fit your current valve BOX.
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