Valliant EcoTec Plus 937 combi boiler

[svk]

I have had a problem with my Valliant 937 boiler for the first time.

• I have already changed the storage tank pump and aqua flow sensor and i am having a problem of no hot water.
• Sometimes the boiler does not have a fire and if there is a fire then there is a crackling noise which is annoying.
• Heat exchange is very hot but no hot water coming out of sink tap.
• sometimes water continues running but no water tap symbol on screen and no fire boiler.

If anybody knows a solution for any of the above then please reply back.
thank you

 

[PhoenixServices]

Probably time to get a gas safe registered engineer in as you have wasted a load of parts. This forum won't give gas advice to a non registered person.

 

[Dotty]

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