Reliable vacuum and vacu-vapor heating equipment (1915)
The Bishop-Babcock-Becker Co. · The Bishop-Babcock-Becker Co. · leaf 56
scape, and boiler pressure closes backpressure valve automatically, preventing boiler water frombacking up into tank. The operation is then repeated. The RELIABLE Automatic Air Separa-ting Tank is not includedwith RELIABLE Re-turn Line Outfits, butis furnished at extracharge. A—FloatB—Air… … Patented Fifty-Three THE RELIABLE RETURN LINE RELIABLE VACUUM GAUGE A Vacuum Gauge is always includedwith RELIABLE Return Line Out-fits. It is used to show the degree ofvacuum in a heating system. The RELIABLE Vacuum Gaugeis substantially made, and will lastindefinitely. It has a…
Heating units · Vacuum-tube collectors · HVAC ducts and casings
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