baxi 105e instant

[peterdonovan]

hi can any one give me some advice on a baxi 105e instant when i put the the heating on the pressure on the gauge goes to 3bar in about 5 minutes pressue was set at 1.5bar, then starts leaking out of the prv outside have
topped up pressure to 1.5 bar and turned the boiler off at the mains after 6 hours pressure went to 0.5 bar cant see any leaks

can any one help
thanks peter

 

[Agile]

If only you read a few of the other posts on here you would see that the EXV has failed.

Its a very common problem on your model!

Tony

 

[gas4you]

As Tony says, been covered hundreds of times before. Search in FAQ's for remedy.