Remove Backflow Preventer Floor Drain

Old floor drain problem.

Remove backflow preventer floor drain.

Lower the backflow preventer into the pipe making sure that it s low enough with the float pushed up for the strainer cover to fit back over the drain flush with the floor. Shower floor drain backflow preventer one way drain valve sewer core magnetic drainage insert drain plug oversized 2 3 9in hole suitable for tube depth 2 56 4 13in caliber 2 3 9in depth 3 15in 3 8 out of 5 stars 15. I m familiar with those. Typical costs for a basement valve range from 150 to 250 including installation.

If that doesn t work you can call a plumber to repair the threads with a tap or you can seal the drain with a 2 in. Yes backwater valve not backflow preventer. Do think it is a separate piece from the body of the drain. Most models attach to 2 3 or 4 inch drains.

A plug will stop rising sewage but you ll have to remove it every time you want to use the drain. The photos below show one method of removing the ball type backflow preventer to gain access to the floor drain trap for cleaning. When water backs up the rubber float will rise to seal off the drain. Not the ball type.

Backflow is less worrisome in floor drains that connect to sump pits but in times of heavy rain water from the foundation s drain tile which often discharges into the same pit can back up if the sump pump fails so it s not a bad idea to install a backwater valve there as well. To prevent this backup many floor drains are fitted with an insertable backflow preventer that allows water down but not up. Shower floor drain backflow preventer one way drain valve sewer core patented magnetic drainage insert drain plug 1 55 1 77in hole suitable for tube depth 2 56 4 13in depth 3 15in 3 3 out of 5 stars 7. The tapered threads on the steel pipe help to clean and straighten the drain threads.

Put an end to water damage from backed up sewers. This has a little half moon barn door hanging vertical in there that i can feel with my finger. To install place a preventer into your floor drain pipe and tighten the screws the rubber collar will expand for proper fit. Anyone know how to remove this floor drain backflow preventer.

Anonymous user my old rusty floor drain has a dysfunctional ball type backflow preventer in it. Test plug sold at home centers. Once the unit is down deep enough tighten the screws at the top to create a snug seal within the pipe. If the drain is difficult to access or the pipe is buried in cement costs can be as high as 1 000.

Except the old part is rusted in there really good. When water recedes the float will drop for normal drainage.