Near boiler piping question

londonrefrig

Been researching some as i have a customer that has been blowing pipes on a steam system. Noticed one boiler has two supply off boiler into 90s into a header, all undersized. The header turns 90 on the horizontal to drop off the equalizer into a tee. Then on the far end of the header, the steam supply to main line runs vertical up. Most of the diagrams i see have the steam supply to building between the last boiler steam supply and equalizer line. Any issues that i should be aware of? Going to recommend to client to change header to manufacturer recommendations anyways so now is the time to change it. Its the far boiler in the first picture.

Thanks

pecmsg

look at the install manual. The proper piping and sizing is in there.

That is wrong.

londonrefrig

Fair enough, just wondering on the why its wrong. For me, understanding the reason makes me a better mechanic, especially when it isnt always laid out in a manual.

delcrossv

The header's purpose is to separate any ejected water from the flow of steam. Sort of an external steam chest. The present arrangement, especially the boiler on the left, pretty much ensures a lot of water will go up the supply.

londonrefrig

For sure the left is a no go. Surprised it hasnt damaged the boiler through expansion. I figure all the water sucked out the boiler is keeping header expansion to a minimum. Lol

pecmsg

https://forum.heatinghelp.com/discussion/comment/1836239#Comment_1836239

As I said download the manual. It’s all in there!