Zoeller 30-0151 — 2″ UniCheck® Cast-Iron Check Valve | Heavy-Duty Backflow Protection Type_Sump Pit or allow water to pass

or allow water to pass when the zone is off

Are faucet holes already drilled

the built-in Seal-A-Matic (SAM) check valve prevents low-head drainage

Learned Flow: No more guesswork or manual data entry

and easy to operate

Zoeller 30-0151 — 2″ UniCheck® Cast-Iron Check Valve | Heavy-Duty Backflow Protection Type_Sump Pit or allow water to passZoeller 30 0151 2 UniCheck Cast Iron Check Valve The Zoeller UniCheck 2 Cast Iron Check Valve (Model 30 0151) provides heavy duty backflow protection for sump and sewage pump systems. Its durable cast iron body and full flow internal design help reduce restriction and system noise while guarding your pump and basin from reverse flow. Key Features & Benefits Backflow prevention to protect pumps and basins from reverse drainage Cast iron construction