Steam Boiler, 2psi, 1,000,000btu, equalizer

hudaktj28

Installing a drop header where all risers, header, distribution mains are 4" and wet returns are 2 1/2". Working from a diagram with no dimensions. There is an equalizer that runs around the back of the boiler and tied into both steam supplies at the heat exchanger. Can't tell from the diagram if this equalizer piping is 4" or 2 1/2" but believe it should be 4" pipe for correct pressure. Can someone verify this?

Steamhead

What make and model is the boiler?

Mad Dog_2

Need pictures please...Mad Dog 🐕 

hudaktj28

Utica 11 section, model JD1000S. I believe Utica now has the equivalent JE1000S

EBEBRATT-Ed

@hudaktj28 Utica wants 4" risers 4" header and a 2 1/2 equalizer

109A_5

Hello @hudaktj28,
From the JE Series manual.
https://uticaboilers.com/wp-content/uploads/2022/02/240010349-JE-IOM-REV-J.pdf

clammy

For a steady water line use both 2 1/2 return tappings and a 3 inch equilizer and I would suggest either a 5 or 6 inch header . I recently did a repipe on a bouncing Utica 500 btu and used the 2 return inlets and and a both riser into a 4 inch drop . After cleaning the boiler the water line was steady the whole entire cycle building owner stated that it was the first time he saw the water line not bouncing . First time w a Utica of that size w a unmoved water line while in a steady state of steaming zero tilting a whole cycle . Personally I would not use there near boiler piping diagram the equilizer drop is not something I ve ran across and is a little different then most near boiler piping layouts . As for the equilizer I personally only use 2.5 eq on boiler 500 to 750 anything above is 3 . If using both return inlets don’t reduce and remember to install a swing joint to lessen stress on the boilers block . If you look at larger boilers piping diagrams that show both return tapping used they will show a swing joint that’s required .
Peace and good luck clammy

Mad Dog_2

Amen, Clamster...Those manufacturers drawings and specs DO matter (engineered and Field-procen).  Follow and exceed them sometimes and you'll see the benefits.  Still want some pictures 📷...Mad Dog 🐕 

DanHolohan

What clammy said. 

Steamhead

DanHolohan said:

What clammy said. 

This.