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why does boiler pressure keep dropping?

the pressure keeps dropping on my boiler , but all the other functions appear to be ok once the pressure has been sort out
glynn burdis, October 2009
Dropping pressure suggests a leak

You do not mention the make / model of your boiler

Your question is in the DVD player category

Peccavi, October 2009
Dropping pressure = a leak somewhere on the system. Check the outside overflow first.

John, October 2009