Shower leak, what valve do I have?

[Kaeon]

I am pretty sure it is original to the house which was built in 1987, It has a acrylic knob that you push up to turn on, then twist to get it to hot or cold.

http://img827.imageshack.us/img827/1549/dsc2642f.jpg

 

[johnjh2o]

Can you post a picture of the trim that may help us to identify it. It looks like American Standard but not sure.

John

 

[southernplumber]

looks like it might be kohler but hard to tell from photo. kohler looks similar and moves the same way

 

[zkirtlink]

I wanna say delta do to the round nut holding the cartridge in

 

[zkirtlink]

My first view of the stem made me think chicago faucet do to the tapered square stem. but had never seen a shower cartridge. Delta was my quick guess but I did some research and I found it chicago faucet makes a few shower valves this beeing one of their pressure ballance units. Chicago Faucets - 1900-006KJKNF Pressure Balancing Valve Rebuild Kit

 

[johnjh2o]

That's not Delta. Delta never had screws holding the cartridge in. But it looks like your right on with it being Chicago. That I have to say is one faucet that I have no experience with. We just keep learning every day. Good job zkirtlink.

John