converting radiators from gravity to pumo

David_19

Were replacing our gravity hot water system to pumped hot water. The raditators currently have both the supply and return entering through the same port (seperated by a baffle). Will this work effiecintly with the pumped water or should the radiators be plumbed differently?

Steamhead

You have Honeywell \"Unique\" valves

on your radiators! Those are museum pieces now.

I think forced circulation will work fine, but you MUST mimic the gentle gravity flow by selecting the right pump. Don't hesitate to not use the one that came with the boiler.

For pump sizing information, go here:

http://www.heatinghelp.com/newsletter.cfm?Id=125

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David_19

Thanks

Thanks, that will difinately save some work. I was very hesitant on messing with those old radiators, since the one surplus radiator that I tried to remove the valve and the plug on did not want to cooperate, they have been very happy the way they were since the 20's.