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Garage Radiators?

Harry_6 Member Posts: 141
I'm looking into replacing a couple of removed radiators from an attached garage on a 1920s house, and I'm curious if anyone has any experience in so doing. I've seen several garages where there were once radiators but the were pulled, and am wondering about hidden pitfalls. I know that steam cycling from an indoor thermostat isn't the same as them being constantly heated with coal boiler steam, but I figured that I might play it safe and locate the traps in the heated adjacent basement. I might even run a larger size condensate line than the usual 1/2", just to minimize the chance of ice restricting it. In my experience you have to be careful not to throttle a radiator in a potentially freezing environment, lest you freeze the condensate line. Any thoughts? I had also thought of running a small always-hot line underneath them, just to keep them above freezing.