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Plumberpro
Plumberpro, Plumber
Category: Plumbing
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Experience:  Heating and plumbing answers. 20 years experience
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Any experience with main multipoint ff gerry?

Resolved Question:

Any experience with main multipoint ff gerry?
Submitted: 7 months ago.
Category: Plumbing
Expert:  Plumberpro replied 7 months ago.

Hi, what issue are you having with it?

Customer: replied 7 months ago.
Hi, thanks for connecting. New replacement MainMP FF. Gas fitter baffled. It will only work if the screws on the front cover are loosened slightly, presumably allow a little extra airflow in. Flue is only 2ft horizontal out thru wall from 90deg on top
Customer: replied 7 months ago.
Fitter checked gas pressure, seals etc
Customer: replied 7 months ago.
Thinking of getting Baxi service in under warranty next Monday it was too late today
Customer: replied 7 months ago.
Any ideas? if not I'm going to bed shortly
Expert:  Plumberpro replied 7 months ago.

Hi, check the fitter the flue restictor ring. Required for short flue run. Easily missed.

If he did(it sits on top of the boiler flue outlet.

If he did check f!he for blockages

Customer: replied 7 months ago.
Thanks for getting back
Flue is clear and he fitted a restrictor. Not sure which one, should be 86mm according to installation manual. Is it likely that there is too much or too little restriction? 83mm is the other size available.
Expert:  Plumberpro replied 7 months ago.

It could be.. i th9nk it most likely the issue, just check no wiring is getting snagged when putting on the cover .

Plumberpro, Plumber
Category: Plumbing
Satisfied Customers: 634
Experience: Heating and plumbing answers. 20 years experience
Plumberpro and other Plumbing Specialists are ready to help you
Customer: replied 7 months ago.
You need to suggest whether the flue might need more or less restriction, but as far as I am aware the fitter installed the right plate.
Not had a chance to check your suggestions yet, can't till Monday am, but I will rate you good. Regards
Customer: replied 7 months ago.
Had the Baxi engineer out in the end on warranty, he had to replace the main control assembly which fixed it, nothing else was wrong. I guess the control box was DOA or failing on arrival.
Expert:  Plumberpro replied 7 months ago.

Glad you got it sorted. All 6he best

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