Zoeller 1263-0001 Manual Del Usuario página 8

INSTALLATION INSTRUCTIONS
10. Install a 2 in. check valve (not included) above the
union to prevent back-flow.
11. Install a 2 in. gate valve (not included) above the check
valve as required by local, regional or state codes.
12. Connect remaining discharge pipe into main waste
line to sewer or septic tank.
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Check
Valve
Gate
Valve
Main
waste line