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Mend Baxi Combi 80e

How can I decrease the pressure on my Baxi Combi 80E?

The pressure has risen on my Baxi Combi 80E to 3.5 when it should only be to 2.5 maximum. Although I know how to increase the pressure, I stupidly don't know how to decrease the pressure, can anyone help!

Jeff Osborne
July 2006
Having consulted this page, I spoke to my gas supplier and a Baxi engineer (0870 606 0955) with regard to my similar problem. As "HI-SPEC PLUMBING" mentioned, the pressure can be brought down by bleeding the system a little. The Baxi engineer said that you want to release a "slow dribble" & collect it with a cloth/shallow tub and that this could take a while (I got the impression that he meant 20+ minutes as opposed to a few seconds). He also pointed out that the valve on the "braided loop" of the system should be closed. -The valve was open on ours which I beleive is the reason for the high pressure. We moved into our new house 4-5 weeks ago, the valve was probably (incorrectly) turned then.

Our boiler is a Baxi Combi 105e, which I understand is the bigger sister to the 80e.

Chris Murphy
September 2006
RELEASE SOME WATER FROM A RAD DRAIN TAP OR BLEEDVALVE. U DON'T NEED TO RELEASE MUCH TO BRING PRESSURE DOWN.

HI-SPEC PLUMBING
July 2006
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