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Sorry error it is a ecoMAXpro. Unfortunately no idea how to display picture.

Many thanks for your reply unfortunately due to the position of the pump I can not see any flow direction marked, assuming the plumber did not move the motor part in relation to the base how would the pump be supplied ? also any thoughts on the importance of the flow direction through the valves...

I have recently had a thirty year old boiler replaced with a Vaillant ecoMAXplus 18e boiler. The company that fitted the boiler altered the original pipe work and I believe the flow is in the wrong direction through the boiler. The system is fitted with a Grundfos TF110 pump, can anyone please...