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Andrew Smith
Andrew Smith, Plumber
Category: Plumbing
Satisfied Customers: 3645
Experience:  City and Guilds qualified plumber
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why does my new boiler keep showing r18

Customer Question

why does my new boiler keep showing r18
Submitted: 4 years ago.
Category: Plumbing
Expert:  Andrew Smith replied 4 years ago.

Andrew Smith :

Do you have the make and model?

JACUSTOMER-wxoh9tfv- :

biasi activ A 120v

Andrew Smith :

Are you able to run the pump with the centre plug out to release the air?

Andrew Smith :

Can you hold the flow and return pipes on the boiler and tell me if they both get hot?

JACUSTOMER-wxoh9tfv- :

yes both pipes get hot one slightly hotter than the other

JACUSTOMER-wxoh9tfv- :

must go to bed, early start. will check in tomorrow.

Andrew Smith : It is showing a lack of circulation, as one should get hot, the other to cold