treesprite June 8, 2012 Share June 8, 2012 Can't believe it... Hold on... I AGREE WITH ROB. +1 ... can you believe it? I don't have check valves though, because honestly, I was in too much oblivion to know about them. I use a big enough container for fuge so that I have a 20g back-siphon space. I have tried little holes drilled in pipes - they don't help much if at all, and still have to be checked a lot to make sure they aren't clogged. Link to comment Share on other sites More sharing options...
hypertech June 8, 2012 Share June 8, 2012 My sump raises a quarter of an inch when the water shuts off and most of that is the drain plumbing and overflow emptying. I have one return half out of the water. No valves, no floods. Link to comment Share on other sites More sharing options...
TonyInVa June 8, 2012 Author Share June 8, 2012 I am using the flapper style. I will try greasing is. Thanks Link to comment Share on other sites More sharing options...
icecool2 June 8, 2012 Share June 8, 2012 Wait, wait, wait. The flap is leaking? If yes, don't put silicone grease on the flap. Throw out the check valve and buy a new one. Link to comment Share on other sites More sharing options...
zygote2k June 8, 2012 Share June 8, 2012 Wait, wait, wait. The flap is leaking? If yes, don't put silicone grease on the flap. Throw out the check valve and buy a new one. There's nothing wrong with using silicone grease on rubber parts. The flapper tends to get caked with calcium scale and then needs to be cleaned and re-lubed in order to work properly. No need to buy a new one- just do some simple maintenance and you'll be fine. These type of check valves will last until the rubber cracks. Link to comment Share on other sites More sharing options...
Jennylynn9579 June 8, 2012 Share June 8, 2012 I had a doggone snail climb into mine... Blocked the thing up almost 100%!!! Sent from my iPad using Tapatalk Link to comment Share on other sites More sharing options...
TonyInVa June 9, 2012 Author Share June 9, 2012 The check valve is brand new. here is the one I bought. http://www.drsfostersmith.com/product/prod_display.cfm?pcatid=4076 Link to comment Share on other sites More sharing options...
zygote2k June 9, 2012 Share June 9, 2012 The check valve is brand new. here is the one I bought. http://www.drsfostersmith.com/product/prod_display.cfm?pcatid=4076 Tony- those are non serviceable check valves that are glue in only. What you want is this type-My link Link to comment Share on other sites More sharing options...
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