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Arco Cast Iron Convectors - American Standard - water pressure limit

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

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  • Steamhead
    Steamhead Member Posts: 16,849
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    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
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