EKO 60- Pipe Size?

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strmh

Member
Hearth Supporter
May 24, 2008
61
Northern Maine
Still researching my DIY install....

The supply and return are 2 1/2" at the boiler.

Can I reduce to 1 1/4" right away, or do I need to maintain the 2 1/2" up to a certain point?

As always, thanks for the input.....
 
OK here are some numbers I learned on this site
3/4pipe will move 4gpm and 40,000 btu
1" pipe will move 8gpm and 80,000btu
1 1/4" will move 14gpm and140,000btu
1 1/2 will move22gpm and 220,000btu
2" will move45gpm and 450,000btu
EKO 60 is 205 or so I used all 1 1/2 black pipe around the EKO..Dave
 
TacoSteelerMan said:
OK here are some numbers I learned on this site
3/4pipe will move 4gpm and 40,000 btu
1" pipe will move 8gpm and 80,000btu
1 1/4" will move 14gpm and140,000btu
1 1/2 will move22gpm and 220,000btu
2" will move45gpm and 450,000btu
EKO 60 is 205 or so I used all 1 1/2 black pipe around the EKO..Dave

All of those are good numbers assuming a 20* water temperature drop from supply to return. Basically, the rule of thumb is to size your piping to the load (gpm) it needs to supply. The output of the boiler has little to do with it. For example; If you have a 60 which can produce around 200K connected to a load of only 80K, there isn't much sense in piping it with 1-1/2" because you can't unload the btu's anywhere in the first place.
 
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