Welcome! Here are the website rules, as well as some tips for using this forum.
Need to contact us? Visit https://heatinghelp.com/contact-us/.
Click here to Find a Contractor in your area.

Arco Cast Iron Convectors - American Standard - water pressure limit

Bijan Member Posts: 1
Can anyone tell me what the highest limit is for water pressure in these units?


  • Steamhead
    Steamhead Member Posts: 16,842
    30 PSI- which is when the boiler's safety valve should blow. Normally they run less than that, depending on the height of the building.
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service