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Old 05-05-2008, 11:12 PM   #1
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Piping a kickspace heater on its own zone


Originally I had my boiler design down to four zones, but I've changed that to five zones. I took the kitchen kickspace heater and put it on its own zone, because the one single monoflow tee on the kickspace's return side had the equivalent of 70 feet of copper pipe, making any one of my original four zones too long.

My question is: Why not pipe a direct series loop through the kickspace heater rather than using two tees off the loop, one of the tees being a monoflow tee? My reasoning is that I can flush the air out of the kickspace heater better in a direct series loop.

Being the only active heat emitter on this fifth loop, doesn't a direct pipe through make more sense than using tees?

Mike

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Old 05-09-2008, 06:23 AM   #2
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Piping a kickspace heater on its own zone


you can also install a ball valve in between the monoflo's making purging easier- not sure what your cheaper option is-

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Old 05-09-2008, 08:14 AM   #3
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Piping a kickspace heater on its own zone


2 Ball valves. One on the supply to the toespace heater and one on the return. Then you can close and bleed from either or both directions and they are pretty easy. Plus you can isolate the heater if you need to.
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Old 05-09-2008, 03:51 PM   #4
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Piping a kickspace heater on its own zone


yep isolation valves would be nice too in case it needs replacing some day-
if you also put one in the middle of the monoflo's then you could close it and force it thru the kickspace while purging it at the purge station at the boiler- it can be an easier way to eliminate air, which i think is what he was after-
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Old 05-09-2008, 04:00 PM   #5
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Piping a kickspace heater on its own zone


The original reason is because the size of the tubing in a kickspace heater is most likely only 1/2" as opposed to 3/4" for the rest of the copper tubing and it would have hindered the flow in the entire loop.
Now that it's on its own loop, there should be no reason to plumb it without the T.
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Old 05-12-2008, 12:51 AM   #6
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Piping a kickspace heater on its own zone


Thanks for the discussion folks. The kickspace does have 1/2" tubing. I want it to be on a separate zone all by itself, starting from a 1" manifold, then to 3/4" tubing, then to 1/2". For simplifying the loop and more importantly, to purge the air from the kickspace, should I use the 3/4"X3/4"X1/2" monoflow tee on the return side of a 3/4" loop (along with the ball valves mentioned in your posts), or simkply reduce the 3/4" pipe to 1/2" without using any supply or return tees.

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