Drain the water above the check valve, then loosen the clamps and remove it. If you don’t have a shutoff valve above the check valve, install a full port shutoff valve on the waste line above ...

Plan in works to subsidize cost of installing sump pumps, backwater valves By: Bartley Kives Posted: 10:03 AM CST Wednesday, Jan. 19, 2011 Last Modified: 12:55 PM CST Wednesday, Jan. 19, 2011 ...