. Reliable vacuum and vacu-vapor heating equipment . r is furnished. The Strainer is very durable. The body is made ofheavy cast iron; the strainer inside is heavy brass, rein-forced by a perforated bronze plate. Note:—No. 2249 Strainer is furnished with Outfits No. 1279, 111and 112, No. 2259 with No. 113 Outfit, No. 2269 with Outfit No. 114 andNo. 2279 {shown on page 45) with No. 116 Outfit. EXPANSION TANK An Expansion Tank of proper size is always furnishedwith RELIABLE Electric Outfits to hold a steady vacuumin a heating system. The vacuum created in the ExpansionTank is often sufficient to
. Reliable vacuum and vacu-vapor heating equipment . r is furnished. The Strainer is very durable. The body is made ofheavy cast iron; the strainer inside is heavy brass, rein-forced by a perforated bronze plate. Note:—No. 2249 Strainer is furnished with Outfits No. 1279, 111and 112, No. 2259 with No. 113 Outfit, No. 2269 with Outfit No. 114 andNo. 2279 {shown on page 45) with No. 116 Outfit. EXPANSION TANK An Expansion Tank of proper size is always furnishedwith RELIABLE Electric Outfits to hold a steady vacuumin a heating system. The vacuum created in the ExpansionTank is often sufficient to keep a system free from air forsome time, without operation of the electric vacuum insures additional economy. As the Automatic Electric Switch and Vacuum Con-troller is connected to the Expansion Tank, a steadyvacuum is always on the Vacuum Controller, which assuresperfect operation of the Automatic Electric Switch. TheVacuum Pump can operate only when necessary. Twenty-One THE RELIABLE AIR LINE RELIABLE AIR LINE HYDRAULICVACUUM PUMPS. Nos. 101, 102 and 104 No. 106 See page 11 for list of equipment included with these pumps The RELIABLE Hydraulic Vacuum Pumpsare entirely automatic and absolutely noiseless inoperation, and always work properly. The mechan-ism is the most simple and positive ever in-vented, and there are no complicated parts toget out of order. These pumps are durably con-structed, and will give many years of satisfactoryservice. See complete description on next page Twenty-Two VACUUM HEATING EQUIPMENT DETAILED DESCRIPTION OF THE RELIABLEAIR LINE HYDRAULIC VACUUM PUMPS Large Capacity. The pumps have large air dis-placing capacity. See page 77 for numbersquare feet radiation each pump will handle. Low Cost for Water. With a tight system the pumphas occasion to operate but seldom, and as ituses water only when drawing air, the costfor city water is very low. Cylinders. These pumps have two vertical cylin-ders, one for motive power and the other drawst
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