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patburke
12-06-2007, 02:53 AM
The water temperature from the Heritage exposed valve shower started to fluctuate some weeks ago. At first I thought it was the boiler but that checked out fine. The only way I can get the thing to fluctuate between hot and warm rather than warm and cold is to decrease the water cold water pressure into the valve. I'm a little embarrassed that I can't sort this as there doesn't seem to be much to the valve......stumped! Any ideas or suggestions would be much appreciated.

Thanks
Pat

jimbo
12-06-2007, 04:33 AM
Not familiar with that brand, but it sounds like it may be a pressue balanced type, in which case replaceing the balancing module may fix the problem.

patburke
12-06-2007, 06:35 AM
Thanks for the response. Its a fairly basic thermostatic mixer valve...I think. I have striped the thing down, cleaned the valve and enclosure, silicone greased anything that looked like it should move and re-assembled. It seems to be functioning fine now.

If in doubt....take it apart and put it back together. Works in IT so why not plumbing!