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Header sizing
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Dave0176
Member Posts: 1,177
On that WM EG30 boiler I'm installing, should I run two 2" risers into a 3" header. Or should I size it to a 2 1/2" header.
DL Mechanical LLC Heating, Cooling and Plumbing 732-266-5386
NJ Master HVACR Lic# 4630
Specializing in Steam Heating, Serving the residents of New Jersey
https://heatinghelp.com/find-a-contractor/detail/dl-mechanical-llc
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I cannot force people to spend money, I can only suggest how to spend it wisely.......
NJ Master HVACR Lic# 4630
Specializing in Steam Heating, Serving the residents of New Jersey
https://heatinghelp.com/find-a-contractor/detail/dl-mechanical-llc
https://m.facebook.com/DL-Mechanical-LLC-315309995326627/?ref=content_filter
I cannot force people to spend money, I can only suggest how to spend it wisely.......
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manufacture
What does the manufacture say?I usually use the size the manufacture states for the risers and I go up a inch for the header...for example of it says 3 inch header I use 4 inch Paul SASM Mechanical Company
Located in Staten Island NY
Servicing all 5 boroughs of NYC.
347-692-4777
ASMMECHANICALCORP@GMAIL.COM
ASMHVACNYC.COM
https://heatinghelp.com/find-a-contractor/detail/asm-mechanical-company0 -
Header
****Header Size per Maximum BTUH Output****
(Based on Velocity of 15 ft/sec. to 20 ft/sec.)
2" Header = 48,384 - 64,512
2.5" Header = 68,832 - 91,776
3" Header = 106,416 - 141,888
4" Header = 183,312 - 244,416
5" Header = 287,856 - 383,808
6" Header = 416,016 - 544,6880 -
Thanks Jstar
I seen that chart, but I also seen 3&4 section boiler 3" header 5&6 section boilers 4" header??? Should I run at least a 2 1/2 header??DL Mechanical LLC Heating, Cooling and Plumbing 732-266-5386
NJ Master HVACR Lic# 4630
Specializing in Steam Heating, Serving the residents of New Jersey
https://heatinghelp.com/find-a-contractor/detail/dl-mechanical-llc
https://m.facebook.com/DL-Mechanical-LLC-315309995326627/?ref=content_filter
I cannot force people to spend money, I can only suggest how to spend it wisely.......0
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