. Reliable vacuum and vacu-vapor heating equipment . RADIATORS AND COILS Standard steam radiators, either direct or in-direct, may be used with RELIABLE ReturnLine Vacuum Heating Equipment. Wall, ceiling,blast and dryer coils may also be used. Thesame rating applies as in ordinary steam heating. Fifty-Four VACUUM HEATING EQUIPMENT RELIABLE DUPLEX RETURN LINE ELECTRIC VACUUM PUMP INSTALLATION. vi o fflUGujaqgt Top View The above illustration shows method of cross-connecting two RELIABLE Electric VacuumPumps for use with steam heating systems having alarger amount of radiation than one pump canh

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. Reliable vacuum and vacu-vapor heating equipment . RADIATORS AND COILS Standard steam radiators, either direct or in-direct, may be used with RELIABLE ReturnLine Vacuum Heating Equipment. Wall, ceiling,blast and dryer coils may also be used. Thesame rating applies as in ordinary steam heating. Fifty-Four VACUUM HEATING EQUIPMENT RELIABLE DUPLEX RETURN LINE ELECTRIC VACUUM PUMP INSTALLATION. vi o fflUGujaqgt Top View The above illustration shows method of cross-connecting two RELIABLE Electric VacuumPumps for use with steam heating systems having alarger amount of radiation than one pump canhandle. Duplex installations are also used wherea reserve unit is desired. Fifty-Five ua-noaiNOD wnnovA ims oiaxDsnH Diivwoinv-J MNVJL NOISNVdX3—3 novA DIMXD3-I3 Biavnaa-a 3A1VA 3A019-OBAHVA 38010—8 3a-]va aaoio—V

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