Canplas 223284W 4 in. PVC DWV Backwater Valve Condensate Pumps Turndown Ratio: 6
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Canplas 223284W 4 in. PVC DWV Backwater Valve Condensate Pumps Turndown Ratio: 6 Turndown Ratio: 6 How Tankless Water Heaters Work Why Buy From Big Frog Supply It is commonly used for low level drain or basement plumbing backflow protection where approved by code