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Andrew Smith
Andrew Smith, HVAC Technician
Category: HVAC
Satisfied Customers: 3633
Experience:  Heating and Controls engineer
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WHAT COULD CAUSE RESTRICTION OF FLOW?. PUMP IS WORKING, KEEPS

Resolved Question:

WHAT COULD CAUSE RESTRICTION OF FLOW?. PUMP IS WORKING, KEEPS TRIPPING OUT WITH PUMP FAULT OR RESTRICTED FLOW
Submitted: 3 years ago.
Category: HVAC
Expert:  Andrew Smith replied 3 years ago.
***** ***** : What is the make and model?
***** ***** : Your boiler may have a filter on the central heating return connection
***** ***** : Your boiler may be having issues with its pump not circulating correctly
Customer:

the make and model is an alpha cd24c the contrail heating is working fine the hot water works then the pressure indicator flicks up then cut out with the A led flashing and B on , I don't seem to have a filter in line as fare as I can see the pump again is working.

***** ***** : Just on the hot water then?
***** ***** : Do you have the approximate age of the boiler?
***** ***** : How was the hot water before this?
Customer:

the boiler is aprox 8 years old

Customer:

I had to slow down the water into the boiler to get any hot out of it

***** ***** : Ok, your plate heat exchanger needs descaling (just like your iron or kettle)
***** ***** : You will need to get someone out to do this for you
***** ***** : But ask them a price before they come to you and tell them that is what the problem is
***** ***** : Ring a few people and get the best deal
Customer:

ok thank you

***** ***** : No problem
***** ***** : Come back again if you need me
Customer:

ok thanks Andrew

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