2 silicone drain backflow preventer.
3 backflow floor drain valve.
If either of them becomes plugged or overloaded sewage.
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 2 56in 3 7 out of 5 stars 14.
This double check valve assembly is designed to this double check valve assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to back siphon age and or backpressure.
Drain backflow preventer silicone 1 1 2 or 1 13 64 one way valve for 1 3 4 pipes tubes in toilet bathroom floor drain seal keep out smell 2 pack 4 0 out of 5 stars 120 11 89 11.
Check valves prevent backflow into sump disposal lines wastewater lines sewage lift stations and ejector systems.
When pushed enough the rubber float will seal your drain protecting your home or business from flooding.
This model is offered in 2 3 and 3 drain sizes.
What is in the box.
Install the floor drain one way valve.
2 anti rust steel filter.
Specifications dimensions assembled depth in inches 3 13 assembled height in inches.
It is essentially a check valve for your floor drain.
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.
It s compact modular design means easy maintenance with a single access cover for in line repairs.
Backflow preventer 3 in.
2 stable steel ring.
The drain valve is easy to install and will deliver peace of mind preventing water or sewage from flowing into your house.
A clogged drain line can cause a sewage flood.
Backwater valves protect against weather conditions that cause sewage overflow such as heavy rain.
When the sewage level rises the floating ball seats tightly against the insert and keeps sewage from flowing out onto the floor.
It s made from metal and rugged high grade rubber for lasting reliability.
Backflow preventers prevent contamination of potable water by keeping water from flowing backwards into a water supply line.
That s why we offer this inexpensive device to help prevent drain backflow.
Size 3 74 x 1 97 x 1.
The water will excert pressure on a rubber float.
So how is water supposed to drain out and yet keep water from back flowing into the house if the spring keeps the valve perpetually sealed.
Prevent drain backflow and protect your home from flooding and damage with this floor drain check valve.