W-B 42 CDI combi

  • Thread starter Thread starter Doctor Drivel
  • Start date Start date
D

Doctor Drivel

This boiler is pretty new on the market. It states no need for a by-pass. Does anyone know if it has a flow switch?
 
Dan_Robinson said:
It uses a flow turbine, but if you look at the exploded diagram of the boiler one has to wonder - why?
Click to expand...

Is the flow turbine on the cold water inlet? It appears to say that TRVs can be fitted on all rads.
 
Dan_Robinson said:
Page 11 of the destructions says it MAY need a by-pass - so I owuld guess it uses temperatures to detect primary flow.
Click to expand...

So, it may monitor flow and return temps and detect flow that way?
 
"An automatic bypass may be required,
(downstream of the pump), in order to maintain
the minimum flow-rate through the appliance."

Can't see any direct way it can measure flow.
 

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