Nat gas finally came down our road. Thought the plumbers might enjoy this picture. (I'm not a plumber and I liked it)
I have never seen the feed and return in the same loop before. Four zones, kitchen under floor heat, 1st floor heat, 2nd floor heat & upstairs bathroom heat. 200,000 BTU's yet a PVC exhaust, crazy. Makes hot water for the radiators but when you flip on the DHW to wash your hands it switches over for that, then switches back to the radiators when you're done. Sweet!
Pic of my tankless space heat/DHW combi boiler set up -
5 posts • Page 1 of 1
Pic of my tankless space heat/DHW combi boiler set up -
By: coalmeister On: Tue Sep 18, 2012 8:16 pm
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Last edited by coalmeister on Tue Sep 18, 2012 10:28 pm, edited 2 times in total.
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coalmeister - Member
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Re: Pic of my tankless space heat/DHW combi boiler set up -
By: Yanche On: Tue Sep 18, 2012 9:37 pm
Yes, it's an uncommon piping method but one of multiple ways to pipe it. The manufacturers installation manual, including several piping options is here:
http://www.navienamerica.com/PDS/ftp/Co ... 10_240ASME)_Install_120306.pdf
It's not clear what type of radiation you have, but if it's all baseboard I would have chosen a different piping based on the installation manual suggestions. The real test will come when in's all under loaded conditions. Meeting the desired set temperatures in each zone should be the performance criteria. More than one way to get a good outcome.
http://www.navienamerica.com/PDS/ftp/Co ... 10_240ASME)_Install_120306.pdf
It's not clear what type of radiation you have, but if it's all baseboard I would have chosen a different piping based on the installation manual suggestions. The real test will come when in's all under loaded conditions. Meeting the desired set temperatures in each zone should be the performance criteria. More than one way to get a good outcome.
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Yanche - Site Moderator
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Re: Pic of my tankless space heat/DHW combi boiler set up -
By: coalmeister On: Tue Sep 18, 2012 10:19 pm
I have mostly cast iron radiators with some baseboard which are also cast iron. Just seems odd that a feed would be right next in line with a return.
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coalmeister - Member
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- Joined: Fri May 23, 2008 3:13 pm
- Location: Between Rochester & Buffalo NY
- Stove/Furnace Make: Alaska 140 Furnace
- Stove/Furnace Model: Harmon VF3000 Stoker Boiler
Re: Pic of my tankless space heat/DHW combi boiler set up -
By: Sting On: Thu Sep 20, 2012 5:48 pm
Very nice simple clean installation. Congrats, relax and enjoy - you now have a hands off system!
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Sting - Member
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Re: Pic of my tankless space heat/DHW combi boiler set up -
By: marsoviy On: Sun Sep 30, 2012 2:54 pm
hi
Good hydraulic piping. but it is better if the collector will be thicker.
For softer work hydraulics.
Good hydraulic piping. but it is better if the collector will be thicker.
For softer work hydraulics.
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marsoviy - New Member
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- Location: Minsk
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