On Tue, 18 Aug 2009 08:29:24 -0400, "Colbyt"
wrote:

Sounds like the mixing valve in the faucet needs replacing. The mixing
valve controls the flow of water to prevent scalding.

You will need new seats and springs at the same time as they should not be
reused. Total cost of part less than $20 most places. Off the truck prices
may trouble that.

Colbyt

I seriously doubt that is the problem because the problem exists on
two faucets. It would be a hell of a coincidence if that was the
problem.

Gordon Shumway