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Plumberpro, Plumber
Category: Plumbing
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Experience:  Heating and plumbing answers. 20 years experience
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biasi 24s combi boiler no dhw changed flow switch still no

Resolved Question:

biasi 24s combi boiler no dhw changed flow switch still no dhw
Submitted: 3 years ago.
Category: Plumbing
Expert:  Andrew Smith replied 3 years ago.

XXXXX XXXXX :

Does it make a difference for the heating?

Customer:

no turn to heating you get hot water

Customer:

if program for heating is on i get hot water it only when i program hot water only

Expert:  Plumberpro replied 3 years ago.
Hello . I may be able to help . When the heating runs , do you get hot water then ?
Expert:  Plumberpro replied 3 years ago.
Hello . Does the heating work ?
Customer: replied 3 years ago.


heating is fine its just when program dhw only boiler does not fire up so dont get hot water

Expert:  Plumberpro replied 3 years ago.
Hi . Did you change the heating flow switch or the dhow micros witch?
Expert:  Plumberpro replied 3 years ago.
Hello . There are a couple of things it could be based on your information.
Customer: replied 3 years ago.


hi i changed magnetic flow switch for dhw supply not flow switch filter can you tellme what the couple of things it could be thank you

Expert:  Plumberpro replied 3 years ago.
Hi . It could be that the diverted valve I'd faulty and stuck in heating position. But also it could be the dhow thermistor temperature sensor. I would start with the dhow temp sensor as this is the cheapest .
If you have any more questions go ahead , or if not please give a positive response. Thank you.
Expert:  Plumberpro replied 3 years ago.
Sorry for my spelling,meant dhw ,not dhow
Expert:  Plumberpro replied 3 years ago.
Hi . Do you require further help ? If not could you please give a positive response, thankyou
Expert:  Plumberpro replied 3 years ago.
Hello . Did this answer your question? If so please could you give a positive response, thank you
Customer: replied 3 years ago.

thanks have not got temp sensor yet away w/end will try mon will be in touch

Expert:  Plumberpro replied 3 years ago.
Ok . Would recommend replacing the central heating one at the same time , if they are not too expensive
Customer: replied 3 years ago.


ok thanks alot

Expert:  Plumberpro replied 3 years ago.
Your welcome
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Category: Plumbing
Satisfied Customers: 634
Experience: Heating and plumbing answers. 20 years experience
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Expert:  Plumberpro replied 3 years ago.
Hi . Please be aware that the session could time out with inactivity.