Handy man book plumbing and heating encyclopedia (1922)
Hardin-Lavin Co. · Hardin-Lavin Co. · leaf 216
L-918 L-918. Showing steam boiler in basement with one circuitmain properly connected to radiators on first and second floors.Note.—Have all risers and branches pitched or drained towardmain. Have main pitched or drained down from boiler. … PIPING SUGGESTIONS. ^ A No. 1. No. 2. No. 3. No. 4. No. 5,
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