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Discuss 8mm microbore, twin entry radiator valves and ancient radiators in the Plumbing Jobs | The Job-board area at PlumbersForums.net

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Friends, romans, countrymen Spartacus....

few things going on here. as per the title i have a central heating system running through 8mm microbore copper piping to old cast radiators using the completely redundant twin / dual entry radiator valves.

not ideal i know.

on the positive side the combi boiler is a Worcester Bosch greenstar 29cdi classic with Magnetic filter and the heat transfer through the 8mm pipework isn't too shabby.

so too my question. recently one of the radiators (after another tradesman broke the twin entry valve), was converted to a standard valve system at each end with a TVR. the job wasn't great but it works

so is it worth having the other existing radiators modified in the same way or would i get some real benefit heating / efficiency wise upgrading the radiators as well.

apologies for the long message but any advice very much appreciated

pictures attached for your viewing pleasure and amusement

exsisting rad with twin entry relic.jpg


modifide valve workmanship.jpg


typical radiator with modifide valve.jpg
 

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