UFH pipe connection to existing boiler - is it right?

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Hi All,
I have had my Under Floor Heating commissioned a few weeks ago (was waiting for the liquid screed to dry with quick drying additives) 56 mm screed depth. I was advised to wait for 3 weeks and finally I switched it on today at a low temperature of 25 degrees to start with. I am seeing (photo attached) where the cold isolation valve is that copper pipe is warm and other red isolation valve is the copper pipe is cold.

Wanted to check is that correctly installed? Or the manifold is reversed and needs to be pit right?
 

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Inlet connections are indeed reversed.

Get the installer back to rectify.
 
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Thank you polesapart. does this pose any risk to the boiler? Plumber coming on Monday to rectify.
 
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No risk to boiler but I'd hold off on running the underfloor until corrected.
 

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