Recent content by Jerrybob

thanks for replies guys ... thread size is small .. threaded into knurled spigot which is on top of a brass dome.. knowing manufacturers this will be welded on the inside so it cant be removed.. its all part of the Danfoss pump model UP15-60.......... regards

thanks guys ...slackening off the valve above the pump cured the noise.. unfortunately has created another problem.. I cant stop the AAV from leaking, dripping. does this mean valve replacement as a single item or the whole pump?.. the valve is positioned above the pump on the main body which is...

Any one able to give me some ideas on how to vent the preheat chamber on my Potterto Performa 28i. when ever the pre heat kicks in it makes swooshing sounds which obviously meens there is air in the system, but how on earth do you vent it out and where is the vent. Grateful for any ideas...

I have a potterton performa that gets too high a pressure then dumps to waste. If I run it with just the hot water no problem, as soon as I put the heating into play up goes pressure. the only way I can keep it reasonable is if I turn the temp control to minimum. Ive tried bleeding radiators and...