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Baseboard heat on all the time?

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Baseboard heat on all the time? saag 10-12-2006
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Posted by saag on October 12, 2006, 5:44 pm


I have hot water baseboard heat. We just had an addition put onto the
kitchen.

The contractors extended the baseboard heat from the kitchen into the
addition.

The way this was done was by getting rid of the old baseboards in the
kitchen and running new baseboards that had the return pipe inside the
baseboard.

Originally a pipe from the basement ran up into the left end of the
kitchen baseboard. The right end of the baseboard had the pipe going
back into the basement where it then ran to under the living room and
up into that baseboard.

Now the basement pipe that ran up to the left end of the old kitchen
baseboard connects to the left end of the new baseboard. The new
return pipe now connects to the same pipe that the right end of the old
baseboard connected to (the one that runs to the living room).

Now the return baseboard pipe in the kitchen/addition & the baseboard
living room pipe are hot all the time. The kitchen/addition pipe that
has the fins connected to it (i.e the one that is suppossed to supply
the heat) doesn't feel anywhere as hot as the return pipe.

None of the other baseboards radiate any heat. This is with the
thermostat set off (i.e too low to go on)

I haven't replaced the thermostat yet (but I would think all the pipes
would be hot if that was broken)
Is it possible thatthe contractors connected the heat & returns pipes
backwards? Or what they thought was a return pipe really wasn't?


Electric Radiant Heat 468x60
Posted by Edwin Pawlowski on October 12, 2006, 10:21 pm



>I have hot water baseboard heat. We just had an addition put onto the
> kitchen.
>
> The contractors extended the baseboard heat from the kitchen into the
> addition.
>
> The way this was done was by getting rid of the old baseboards in the
> kitchen and running new baseboards that had the return pipe inside the
> baseboard.

> None of the other baseboards radiate any heat. This is with the
> thermostat set off (i.e too low to go on)

It is NOT the thermostat. You have siphoning action going on in the system.
Get the contractor back to do it right. Maybe I'm just tired, but I'm not
following the diagram you are explaining, but in any case, hot water will
flow by itself as hot water rises, just like hot air.



Posted by saag on October 15, 2006, 9:39 am


thanks.
I have a oil burner that heats the water for both the baseboards and
the hot water faucets.
I called a plumber friend who said something about possible a flow
control valve that's letting water heated for the faucets get into the
pipes for the baseboard. I contacted the contractor & asked him to
send out a plumbing/heating guy.


Edwin Pawlowski wrote:
> >I have hot water baseboard heat. We just had an addition put onto the
> > kitchen.
> >
> > The contractors extended the baseboard heat from the kitchen into the
> > addition.
> >
> > The way this was done was by getting rid of the old baseboards in the
> > kitchen and running new baseboards that had the return pipe inside the
> > baseboard.
>
> > None of the other baseboards radiate any heat. This is with the
> > thermostat set off (i.e too low to go on)
>
> It is NOT the thermostat. You have siphoning action going on in the system.
> Get the contractor back to do it right. Maybe I'm just tired, but I'm not
> following the diagram you are explaining, but in any case, hot water will
> flow by itself as hot water rises, just like hot air.


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