General Specialties Flood-Guard for 2" Flood Drains

It does what it says! No more overflow in my laundry room. My drain is old so it does not seal perfectly, but I do not have a puddle when I do laundry anymore.

Easy to install and quality hardware. This was a replacement for what was previously installed. It's very forgiving. Previous house owner incorrectly installed it and also the inside of the drain pipe has bumps/deformaties and yet it still worked for at least a few years. I put it in my basement drain that's next to the furnace and water heater. Pointers - use a large zip tie in the holes so its easier to positon the drain guard and tighten the screws. Slotted screws are used for a reason and not allen screws. The screw head slots give you a reference when tightening to expand the gasket. Tighten the screws a little each at a time to keep the pressure even and drain guard centered (1/2 turn each screw, then 1/4 turn each screw until they are all tight). Also my drain guard didn't work everytime the first time I installed it because the floater part was a tiny bit long and sometimes rubbing the inside of the pipe where my drain pipe curves. The drain would flood when a bubble bath drained. I cut 20% off the bottom of the floater, reinstalled and it works perfectly. The basement bath also has a drain guard and it works fine, but since I don't know how old it is I'll replace it. I'll probably replace them every three years even if they are working since its easy to do and cheap. Although I think they would last longer. I'll also spray some silicone lube on the floater metal rod once in a while which is easy to do since it's right on top of the drain guard.

Loved the concept of this product. Absolutely works, blocks backflow from drain as the product is designed to do. The only problem was, my drain was for a basement shower. The plug slows down the draining. I had to take a dremmel tool and shave the 3 holes larger for fast draining. Worked like a charm.

Installed in a shower after water backup event. Two event since and not a drop of backup. Flow is reduced slightly but not terribly. Was concerned but teenage girls used the shower with the preventer Installed and none had complaints. Easy to install and has saved us time and money. Normal drain cover fits over the top.Suggested this unit to friends and neighbors.

Product was easy enough to install, but failed to work when needed. Installed this in a laundry room drain that would occasionally flood when the basement toilet backed up. As luck would have it, the toilet clogged this week and water still came up the drain. No, it didn't fail to work because it was coated with gunk (checked it when we removed it) or blocked by debris (we actually have a mesh filter screen under the drain cover to prevent small things from falling into the drain). Perhaps slow rising water doesn't allow for a tight seal? Either way, this thing isn't going back in so it's back to the drawing board.

No where in the instructions does it say the 3 screws on the head of this product , tighten the rubber gasket while the product is inside the pipe. besides that, does as it should, or hopefully will……..

If you have issues with a floor drain that backs up, this is about as good as you'll get. That said, it doesn't seal. It will slow down a back-up, but it will not stop a back-up. The design is somewhat ineffeicient in that the rubber float does not seat well against the rim. as a result, it will leak.With some finagling, I was able to attach an alarm to the unit to alert me if there is a back-up and to stop whatever is draining. It's already done so once. (The issue is poor drain line slope, not the product)

Please don't buy any other friction plug other than this. I installed one in the late nineties after many sewer backups and it's worked well. If I had removed it and cleaned and oiled it periodically (as recommended) it would still be working. Even at that, I removed it after a sewer backup a few weeks ago because a lot of lint and dog hair had clogged it and I broke the screws (they're stainless) because I hadn't removed it in 20 years. In spite of that I was still able to drill and tap new screw holes until my new plug arrived. I didn't have stainless screws so I was concerned with a steel screw rusting and breaking. My only problem with both was that I put them into a 2 inch pipe floor flange (2.375 in OD) and the threads were so worn and rusty I had to wrap a piece of rubber strip around it to give it a good grip. I couldn't find this type initially and purchased a stainless one from one of the local big box home centers. Whyle looking around I also found a bronze one from one of the local hardware supply houses. You'll see these on Amazon also. They have four screws instead of three. Looked good in the picture but both had similar construction. Instead of the screws being inside the fitting not touching the rubber the screws actually went through the rubber. The diameter of the rubber was a little under 2 inches, same as this one but, once I started screwing it down it kept getting harder and harder to turn the screwdriver because the rubber was pulling against the screws. This also resulted in the rubber not expanding by the screws as much as the rubber where the screws weren't. The result was like a rounded square. I tested it and the water gushed out the fitting. It would probably have worked if the opening was 2 inches exact but both were listed for 2 inch pipe. They both were also made from stamped sheet metal which probably might have worked if the design allowed the rubber to expand evenly around the fitting. The fitting above is made from machined aluminum with no thru holes from the screws. This prevents water from coming through the screw holes but is also why I had to shim it because the screws bottom out in the lower piece of aluminum. If they were through holes I could have tightened the screws more to allow for the worn threads. I know that because the old one I had to drill and tap were through holes and it tightened perfectly without the shim. All in all I prefer this design because it does seal and potentiol water coming through the screw holes. The only thing I've noticed (because I have a wierd drain that drains slowly) is that, although it blocks the water, the suds from the washing machine come out a little because they're not enough to move the float. This is the one to buy.

Stopped our recurrent backflow problems immediately. Can now shower in basement without water from kitchen sink coming up through drain! Very easy to fit and well priced. Only wish I had known it was available before.

WORKS WELL

Excellent to prevent back up flow of water from the shower drain when I drained the water from the bath tub. Works perfectly.

Works well. Purchased for my shower drain works very well.

It seems good quality although I did not install it yet.