A BOILER SYSTEM, OLD CAST IRON OUT NEW PENSOTTI PANAL RADIATOR'S IN.WHITCH IS SUPPLY AND RETURN?

by Andrew   Last Updated October 19, 2019 17:21 PM - source

How can I find which is the supply and which is the return?I took out the old cast iron and am putting in new panel radiators. It is important to know which is the supply and which is the return. It's like a looped system.Please help.Thank you

Tags : boiler


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