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Omni Water Filter Failure

E

El Toro

Well-known Member
There's a crack about 2/3's of the way around the circumference of the filter housing. Hal
2zgf1id.jpg
 
Picture is so big, hard to see it all, but looks like its been severly overtightened or frozen. What happened? Tom
 
That is a good puzzle. It looks well designed for injection molded plastic what with ribs and flange about equal in thickness to the shell itself (guessing). The crack looks like too much load in the vertical direction up against top and the gradual slope of the crack might be due to the internal thread that had a too sharp of a thread root radius, again too much load due to over tightening or wrong seal (if any). Curious about the cold flow of the the nubs on the outer filter case..do not look like a spanner load, looks like a downward beating of something or a prying tool has been used. Everyone is an expert on this board and that is my 2 cents worth. : )
Leo
 
Are you by any chance on a public water system with a backflow preventer near the water meter? If so, there's no place for water to go as cold water warmed up in the water heater expands and if the safety relief is stuck SOMETHING'S gonna break.

A small bladder tank is recommended on systems like that to allow for expansion.

ANYHOW, better check the safety valve on the WH just to be sure it's not stuck.
 
There's nothing to tighten where the crack occurred. It looks to be pressed together. I tried get it apart but nothing moved. I did check the water pressure and it's 60psi. Hal
 
Could it have been caused by water hammer? Water hammer destroyed a filter similar to that at work recently.
 
El, how can you change the water filter out if it is pressed together? I doubt if it is a whole unit throw away or is it? My guess is that it was tightened (righty tighty) until it "welded itself" together. Omni sells filter wrenches according to their web site. If the whole unit is mounted pretty solid, you probably can break it loose, unscrewing it if your lucky. Dry fairly large hands with a cow milker's grip might also do it. With that crack it may never be useable again even if it did unscrew. I do not mean to argue, just trying to help figure it out. I have a 60 mesh water filter for my geo source furnace that I change/clean out every month and I lost my cow milker's grip...sure miss it! Please let us know whatever your solution turns out to be. Leo
 
I'm talking about the cracked housing. You're talking about the plastic cannister that hold's the filter. That wasn't damaged and is threaded
to the housing with an o-ring to seal it. Hal
PS: I have that plastic wrench to tighten and loosen the cannister.
 
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