Got some more info, symptoms... We are running out of hot water, quickly...
It is still heating some water but not a lot.


"William W. Plummer" wrote in message
...
Leo wrote:
When I turn on the hot water faucet in a sink or shower it 'sputters' as
if there is air in the line. I have not done any plumbing work that
would have caused this... what is happening? I can't find any obvious
leaks anywhere???

The water line is pressurized so an leak would not admit air. Maybe your
water heater is set too high and there is boiling happening.