Q. "My floor drain has an inside diameter of 2 3/4 inches. Will any of these Flood Guards work in my pipe?"
A. The manufacturer currently only makes FloodGuards for the sizes shown, so for your size of pipe, none of these would work. The 2" model would be too small and the 3" model would be too big.
Q. "Will these Flood-Guards completely prevent flooding?"
A. Due to the nature of floor drains the float style Flood-Guard can become blocked open by debris, allowing back-up water to enter; they must be checked periodically. There is a limit to how much flooding these can help to prevent, based on various circumstances such as; head pressure, nearby drains, outlets, sinks, and many other things that we aren't able to easily list. This device may will also mask other important plumbing issues that should be taken care of, so do be careful. Also, be sure to inspect the Flood-Guard regularly as all mechanical devices will eventually fail; proper maintenance and inspections can help mitigate any failure.
Q. "Can I use the 2" Flood Guard in the shower that's located in my basement?"
A. These Flood Guards are designed for 2" pipe and are not designed to be used directly in shower drains. If you have a small 36" square or rectangular shower, the water may not drain quick enough through the 2" Flood Guard and could cause water to back up in your shower. This may not present a problem if you are consciously paying attention to the amount of water filling your shower area. In other words, you are able to turn the water off and let the shower pan drain intermittently during your shower time. Please note that shower bases normally have an inside depth of anywhere from 2" - 5" and need to be able to drain quickly to prevent water from overflowing the threshold.
Q. "The 2" Flood Guard does not look like it has the same type of float ball as the 4" float model?"
A. This is correct. The 2" model still works the same but the float is constructed more like a cup to allow a more even closure since it is a much smaller mechanism than the 4" model.
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