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Can anyone identify this old fixture

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Rrey Member Posts: 18

February 2016 in THE MAIN WALL

Maybe a purging station? Three 3/4 zone returns enter and 1 1/4 out the bottom to the boiler. Has a drain on one side and an air vent in the top. Also the 3 entering have dials for 1/4,1/2,3/4 and full. Balancing manifold. It's also embossed with HP1

20160223_093531.jpg 3.3M

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Fred Member Posts: 8,542

February 2016
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I'm betting @Steamhead will know what it is.

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Alan (California Radiant) Forbes Member Posts: 4,011

February 2016
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By the shape, it looks like an air eliminator. By the color, it looks like Bell & Gossett.

8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hour

Two btu per sq ft for degree difference for a slab
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Steamhead Member Posts: 16,845

February 2016
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Combination air separator and manifold, but I don't recognize the partial tag on it.

All Steamed Up, Inc.
Towson, MD, USA
Steam, Vapor & Hot-Water Heating Specialists
Oil & Gas Burner Service
Consulting
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Robert O'Connor_12 Member Posts: 728

February 2016
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Sears?

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