Baxi 105e Hot Water Not Rising over 40 degrees Help!!

neilyp · 8 Oct 2006

I have a baxi 105e Almost 2 years old now. Over the last few weeks the HW temp will not go over 40. The Central heating will go all way up to 70 degrees.
All though it may sound daft i have noticed the HW control knob feels very slack and pap compared to the CH one.
I have checked the back side of the PCB and both contollers are turning the relevant connections on the Board.
I am wondering if the PCB is knacked at the HW connection.

Any suggestions or opinions would be appreciated please.

Paul Barker · 8 Oct 2006

At what flow rate?

neilyp · 8 Oct 2006

Not sure, the boiler has never been adjusted in any way since it was first installed and it used to be fine.

ChrisR · 8 Oct 2006

Try it with a tap running slowly - about 3 - 4 litres/minute.

neilyp · 8 Oct 2006

I have just tried this and now the water is red hot. How can this be? I have renewed pipe work over the last few month but im not sure how this could effect thingS?

Rob · 8 Oct 2006

scaled up HE, your losing the heat transfer!

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Baxi 105e Hot Water Not Rising over 40 degrees Help!!

neilyp

Paul Barker

neilyp

ChrisR

neilyp

Rob

DIYnot Local

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