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Posted by Joe Brix on September 30, 2005 at 08:06:37:
In Reply to: Weird hot water circulated heating setup posted by T. J. on September 29, 2005 at 17:57:28:
You're describing a hydronic fan coil. They're usually used in spots where there's not enough wall space for full size rads and baseboards. Sometimes mounted high up on the wall. They're just trying to get a lot of BTU's out of a small space. Often they're put in garages, work areas, etc., not residential rooms. No issue to replace. Just that the return supply piping are in the same spot and the unit might be mounted in an odd location on the wall. It might be easier to put a full length of baseboard against the wall. This will allow you to re-pipe supply and return to each end of the wall to feed the baseboard. The BB enclosure will hide all the extra piping. A radiator might have to be extra large to pump out enough heat for the room. You should get a heat loss program to figure out many BTU's the room needs. The fan coil might have a label somewhere you can get the output listed.