the singing boiler

[misterroy]

Hi all, I'm down at the folks, when we turn on the hot water, most times, a tone comes out of the boiler , quite a high tone. The cold water pipes supplying the boiler can be felt to vibrate. The boiler is a Vokera minute 20se.

Any ideas?

ta

[geoff]

In message , misterroy writes

A washer has split and its acting like a reed ?