. Reliable vacuum and vacu-vapor heating equipment . Forty-Four VACUUM HEATING EQUIPMENT RETURN LINE STRAINER A Strainer of largecapacity is furnishedwith RELIABLE Re-turn Line Outfits. Alla i r and condensationpasses through thisStrainer, which preventsscale, grit, and otherforeign matter enteringvacuum pump. The Strainer usuallyrequires cleaning onlyonce each heating sea-son. It is cleaned bysimply removing coverplate, opening dischargevalve (furnished) at bot-tom, and flushing Note; — No. 2249 Strainer is furnished with Outfit , No. 2279 with Outfits No. 122
. Reliable vacuum and vacu-vapor heating equipment . Forty-Four VACUUM HEATING EQUIPMENT RETURN LINE STRAINER A Strainer of largecapacity is furnishedwith RELIABLE Re-turn Line Outfits. Alla i r and condensationpasses through thisStrainer, which preventsscale, grit, and otherforeign matter enteringvacuum pump. The Strainer usuallyrequires cleaning onlyonce each heating sea-son. It is cleaned bysimply removing coverplate, opening dischargevalve (furnished) at bot-tom, and flushing Note; — No. 2249 Strainer is furnished with Outfit , No. 2279 with Outfits No. 122 and 128, and No. 2289with No. 124 and 125 Outfits. The No. 2249 Strainer isshown on page 21. EXPANSION TANK An Expansion Tank is used with RELIABLE ReturnLine Outfits to hold a steady vacuum in the heating vacuum in Expansion Tank assists the pump to drawair and condensation from the system. This insuresadditional economy. As the Automatic Electric Switch and Vacuum Con-troller is connected to Expansion Tank, a steady vacuumis always on the Vacuum Controller, which assures perfectoperation of Automatic Electric Switch—the vacuum pumpcan operate only when necessary. An Expansion Tank of proper size is always includedwith RELIABLE Return Line Outfits. Forty-Five THE RELIABLE RETURN LINE THE VACU-TRAPSWHAT THEY ARE—HOW THEY OPERATE PHOSPHOR BRONZE SPRING prevents vibration of thermal mem-ber. The Vacu-Trap is noiseless. BODY AND COVER of Vacu-Trap areheavy bronze cast-i
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Keywords: ., bookcentury1900, bookdecade1910, bookidreliablevacu, bookyear1915
