Integrating Cast Radiator with fin baseboard


Old 09-18-04, 07:19 AM
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Integrating Cast Radiator with fin baseboard

Hello All,
I am planning on removing two large cast radiators on my hot water system and replace them with fin style baseboard rads.

Does anyone have suggestions for me?

Any reason this wouldn't work?

D. Fontaine
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Old 09-18-04, 09:16 AM
Join Date: Oct 2001
Location: Minneapolis
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Don't do it unless this leg is on it's own zone. Baseboard needs to have greater volume pumped continuously through it vs. the large mass of a cast iron radiator. The only way it will work effectively/efficiently is if you've got a separate zone and therostat controlling this particular room in which the switch would occur.

The radiator gets hot and stays hot due to its mass. Baseboard radiates convective heat only because the water passing through it is hot. Once the hot water stops moving, they cool down fast. Your boiler will cycle often if the thermostat is in the room with the baseboard while the other rooms with cast iron will be unbearably hot.

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