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Furnace/Boiler plumbing - black pipe vs. copper

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Furnace/Boiler plumbing - black pipe vs. copper anthonymmfalcone 11-05-2007
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Posted by on November 5, 2007, 11:44 pm
Dear Readers,

The supply/return pipes that come out of my furnace (I've learned not
to call it a boiler) are threaded black pipe. Only after the
circulators and expansion tank are they changed to copper. I assume
this is to help bear the weight of these pieces of equipment on the
line. Am I correct? Or is it that copper pipe cannot be within a
certain distance to the furnace due to heat or possibility of galvanic
action or some other reasons? Any ideas?

Thank you.
Regards,
Anthony


Posted by Big_Jake on November 5, 2007, 11:49 pm
On Nov 5, 10:44 pm, anthonymmfalc...@yahoo.com wrote:
> Dear Readers,
>
> The supply/return pipes that come out of my furnace (I've learned not
> to call it a boiler) are threaded black pipe. Only after the
> circulators and expansion tank are they changed to copper. I assume
> this is to help bear the weight of these pieces of equipment on the
> line. Am I correct? Or is it that copper pipe cannot be within a
> certain distance to the furnace due to heat or possibility of galvanic
> action or some other reasons? Any ideas?
>
> Thank you.
> Regards,
> Anthony

1) Why are you calling your boiler a furnace?
2) I have seen boilers completely plumbed with copper, completely
plumbed with black pipe, or a mixture of both. Your install probably
just reflects the personal preferences of the installer.

JK


Posted by Don Ocean on November 6, 2007, 5:08 am
Big_Jake wrote:
> On Nov 5, 10:44 pm, anthonymmfalc...@yahoo.com wrote:
>> Dear Readers,
>>
>> The supply/return pipes that come out of my furnace (I've learned not
>> to call it a boiler) are threaded black pipe. Only after the
>> circulators and expansion tank are they changed to copper. I assume
>> this is to help bear the weight of these pieces of equipment on the
>> line. Am I correct? Or is it that copper pipe cannot be within a
>> certain distance to the furnace due to heat or possibility of galvanic
>> action or some other reasons? Any ideas?
>>
>> Thank you.
>> Regards,
>> Anthony
>
> 1) Why are you calling your boiler a furnace?
> 2) I have seen boilers completely plumbed with copper, completely
> plumbed with black pipe, or a mixture of both. Your install probably
> just reflects the personal preferences of the installer.
>
> JK

Or a Retrofit.

>

Posted by on November 6, 2007, 8:10 am
On Mon, 05 Nov 2007 20:44:29 -0800, anthonymmfalcone@yahoo.com wrote:

>Dear Readers,

        What are you, Ann Landers ?

        Pls keep this stuff out of alt.hvac.


>
>The supply/return pipes that come out of my furnace (I've learned not
>to call it a boiler) are threaded black pipe. Only after the
>circulators and expansion tank are they changed to copper. I assume
>this is to help bear the weight of these pieces of equipment on the
>line. Am I correct? Or is it that copper pipe cannot be within a
>certain distance to the furnace due to heat or possibility of galvanic
>action or some other reasons? Any ideas?
>
>Thank you.
>Regards,
>Anthony

--
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Paul ( pjm @ pobox . com ) - remove spaces to email me
'Some days, it's just not worth chewing through the restraints.'
'With sufficient thrust, pigs fly just fine.'
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Posted by ransley on November 6, 2007, 8:39 am
On Nov 6, 7:10 am, .p.jm@see_my_sig_for_address.com wrote:
> On Mon, 05 Nov 2007 20:44:29 -0800, anthonymmfalc...@yahoo.com wrote:
> >Dear Readers,
>
> What are you, Ann Landers ?
>
> Pls keep this stuff out of alt.hvac.
>
>
>
> >The supply/return pipes that come out of my furnace (I've learned not
> >to call it a boiler) are threaded black pipe. Only after the
> >circulators and expansion tank are they changed to copper. I assume
> >this is to help bear the weight of these pieces of equipment on the
> >line. Am I correct? Or is it that copper pipe cannot be within a
> >certain distance to the furnace due to heat or possibility of galvanic
> >action or some other reasons? Any ideas?
>
> >Thank you.
> >Regards,
> >Anthony
>
> --
> Click here every day to feed an animal that needs you today
!!!http://www.theanimalrescuesite.com/
>
> Paul ( pjm @ pobox . com ) - remove spaces to email me
> 'Some days, it's just not worth chewing through the restraints.'
> 'With sufficient thrust, pigs fly just fine.'
> HVAC/R program for Palm PDA's
> Free demo now available onlinehttp://pmilligan.net/palm/

Boilers heat water, furnaces heat air.


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