Remove Backflow Preventer Floor Drain

They prevent your basement floor drain from backing up.

Remove backflow preventer floor drain.

Anonymous user my old rusty floor drain has a dysfunctional ball type backflow preventer in it. Basement floor drain valves. 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. If the drain is difficult to access or the pipe is buried in cement costs can be as high as 1 000.

I m familiar with those. Most models attach to 2 3 or 4 inch drains. 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. A plug will stop rising sewage but you ll have to remove it every time you want to use the drain.

Yes backwater valve not backflow preventer. Test plug sold at home centers. When water recedes the float will drop for normal drainage. The photos below show one method of removing the ball type backflow preventer to gain access to the floor drain trap for cleaning.

The tapered threads on the steel pipe help to clean and straighten the drain threads. Except the old part is rusted in there really good. Put an end to water damage from backed up sewers. I m trying to remove the old ball housing so i can place a newer backflow preventer in there.

When water backs up the rubber float will rise to seal off the drain. 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. Once the unit is down deep enough tighten the screws at the top to create a snug seal within the pipe. Anyone know how to remove this floor drain backflow preventer.

To prevent this backup many floor drains are fitted with an insertable backflow preventer that allows water down but not up. To install place a preventer into your floor drain pipe and tighten the screws the rubber collar will expand for proper fit. Do think it is a separate piece from the body of the drain. Not the ball type.

Old floor drain problem. 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.