Does this have a backflow prevention device?
1357797
To my knowledge this fixture does not have a backflow device. You do not need one on each fixture, your plumbing system should have one backflow preventer for the whole system.
915700
Not sure if your manucapility requires a backflow prevention device but I decided not to have one installed on mine so as to not cause a reduction in water pressure (which can be 10% or more). It works just fine. Not sure how the water supply can get continimated when the pump is off (which is it is most of the time).
1073002
according to the box it's to prevent back flow. It will run just fine without it.
536537
I have only used this product once for a clog and I do not believe that it created any backflow in the tub or the sink. I remember that it was very easy to use and worked as expected, without having any issues.
1584810
I put the backflow preventer on faucets that had them already on but had failed ( water back in my face every time I used them. The original manufacturer had crimped the device (made it out of round) so I needed two pipe wrenches to get them off. there was no other choice since the original outside spigot incorporated the fine threaded backflow preventer as one unit.
389603
It is a no-name brand, but it does have an overflow hole. A related note: the stopper on the included faucet set is one that you push down on to engage, there isn't a lever on the faucet. Fine by us dine we rarely use it, but thought I'd note it.
543183
I think it does have a flow restrictor, but it seems to have plenty of pressure and fills a bucket fast. I think the best part about the faucet is the pull out nozzle. It Is one of the few orb laundry faucets That have that.
1063206
My husband said ours did not have a flow restrictor as far as he could tell unless it was buried in the middle somewhere. It wasn't part of the assembly.Our water flow is excellent so I wouldn't worry about it.
863905
They used to have one but it is discontinued.. I suspect that the reason is that many water systems have pressure too high and that would damage the hose. (btw I'm keeping my auto shut off as i have low water pressure)
2051971
No it does not. It works the exact same way the pull drain stoppers work regarding sink overflow. The Push and Seal is a really cool and innovative product that adds a nice look to the faucet and sink.
1485082
It has one but the water evaperates and goes out the vent. It may collect a tiny bit of water in the lower tray. but I have had no problems with it. When storing for winter just tip it backwards and any water in it will drain out the rear plug. I just put a towel behind it when I tip it back. There is not really much water in it. Just what drips off the condensor when you shut it off.
1278906
No. This device prevents water from flowing the wrong way--back into the pipes were unwanted water might contaminate the fresh water system. These are required by some jurisdictions on all outside faucets, for example. To reduce pressure you need a pressure reducer.
1135376
No they do not. Anti-Blowback fittings will have to be bought separately or a new set of line with them already built in.
524577
doesn't appear to have one, however, this is my 3rd unit in 3 years. The valve will stop functioning properly before the battery goes out anyway.
996081
No. A backflow prevention device can be added, the cost is $33.04 and is available at Home Depot, Lowes, etc. . http://www.homedepot.com/p/KOHLER-1-2-in-x-1-2-in-Vacuum-Breaker-K-9660-CP/100066985?keyword=kohler+9660+cp As you can tell from the price, this is why they are not included---its more than the bidet.
1570692
I experienced a significant reduction in water pressure - enough that my sprinklers won't work properly with the device connected. I had to disconnect it. I keep looking for someone to manufacture a "full-flow" backflow valve that will not reduce water pressure, but I haven't found it yet...
1681925
Not that I am aware of. It sits on the bracket right on top of the valve itslef