Zoeller 30-0151 — 2″ UniCheck® Cast-Iron Check Valve | Heavy-Duty Backflow Protection 2inch / 4 inch Applications where a compact 120V

Applications where a compact 120V heater is correctly sized

slip-resistant floor

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Zoeller 30-0151 — 2″ UniCheck® Cast-Iron Check Valve | Heavy-Duty Backflow Protection 2inch / 4 inch Applications where a compact 120VZoeller 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