Rectorseal Clean Check 4 inch PVC Extendable Backwater Valve with Adapter, 97034

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The RectorSeal 97034 prevents sewage backup into plumbed structures as a result of a plugged sewer system, excess volume in the system or groundwater flooding through a 4 inch extendable backwater valve with adapter. Features No manhole Installs discretely outside - up to 12' below ground level Above ground outdoor maintenance accessibility eliminates hidden access indoor applications, and the sewer odor and mess of indoor maintenance Complies with UPC, IPC and IRC codes & ASME and ICC-ES standards