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Controls and Instruments Fulton Sylphon Division ROBERTSHAW-FULTON CONTROLS CO. Knoxville 1, Tenn. Sales Representatives in Principal Cities Manufacturers of Sylphon Automatic Temperature Controlling Instruments and Packless Expansion Joints Series 800 ROOM THERMOSTATS Heavy duty, super sensitive wall thermo stats for accurate, direct control of elec tric heating units, air conditioning units, etc. Sensitive thermostat responds to both radiant heat and air temperature changes to J- differential under ac tual load conditions. Other features include: positive snap-action switch; mounts on standard outlet box with only two screws and without removing cover; electrically rated for both non-inductive load ratings and motor ratings; instru ment type construction; accurately cali brated dial; calibrated thermometer eliminates guesswork as to room temper atures; shock-proof plastic cover; com pact, attractive design; UL approved, and guaranteed for 18 months against defective workmanship or materials. HOT WATER SUPPLY No. 999 Temperature Regulator controls temper ature of liquids. Particularly suited for storage water heaters and for all indus trial processes requiring accurate tem perature control. Stainless steel frame for minimum heat conduction. Large size Sylphon Bellows provides added power. Self-operating. Valve sizes from 3^2 in. to 4 in. Temperature ranges start at 40 F, up to 420F. Bulletin HVQ-E. SPACE HEATING CONTROL No. 885 Automatic Radiator Valve For exposed radiation. Small, neat, at tractively finished, adjustable to room temperature. desired. Simply replace ordinary radiator valves with these Syl phon Automatic Valves--no wiring, pip ing or auxiliary equipment is required. These valves answer the demand for an inexpensive means of providing accurate, dependable space temperature control in rooms, sections or throughout large buildings, new or old. Similar type valves for concealed radiation--get Bul letin HVG-E. 801 Series: Temperature Range: 6480F. Operating Differential M 20 amps (non-inductive load) at 125-250 volts ac, hp at 115 volts ac, 1}4 hp at 230 volts ac. 802 Series: Temperature Range: 5585F. Operating Differential: 1 20 amps (non-inductive load) at 125-250 volts ac, % hp at 115 volts ac, 1hp at 230 volts ac. Type 801-A3: Combination thermostat for heating-cooling use. Temperature Range: 64-80F. Operating Differential: A Requires only a simple connection with a manually operated summer-winter switch to provide change from heating to cooling. Sylphon No. 890 Radiator Control Valve For either exposed or concealed radia tion. Similar in appearance and action to other Sylphon Automatic Valves, but operated by an electric wall thermostat. The closing of the thermostat circuit energizes a Ibw voltage electric heater coil surrounding a bulb containing a vola tile liquid. This liquid expansion causes pressure on a bellows in the valve head operating the valve. This provides radi ator valve 'control from a remote loca tion, permits regulation of several radia tors from a single thermostat, enables a time switch to be installed, if desired, offers effective zone control of large areas at a fraction of the cost of conven tional motor-operated valve systems. Bulletin HVG-E. 1478 Fulton Syphon Division Controls and Instruments REFRIGERATION CONTROLS No. 945-Z Regulator ranged to control any air conditioning system and to provide exactly the condi tions desired. Write for Bulletin SAC-860. The No. 928-H Regulator Adaptable wherever brine is used as the refrigerant. Latest development is a "freeze-proof" valve (illustrated) on the popular Sylphon No. 945-Z Regulator. Bulletin HVG-D. PACKLESS EXPANSION JOINTS No. 110-M Sylphon Expansion Joint The Sylphon Packless Expansion Joint eliminates expensive construction, non revenue producing space. No leaks or repairs, no repacking. Use' No. 110-M for steam lines; No. 111-M for water lines. Sizes Ji in. to 3 in., inclusive. Bulletin HVGis. NO. 96066 SYLPHON EXPANSION JOINT Simple, compact yet highly sensitive. Suitable for modulating control of air temperatures in ducts. Bulb is construc ted of numerous coils of copper tubing giving sensitivity to the slightest tem perature variation. Packless valve eliminates service problem and makes this regulator ideal for installation in in accessible locations. Suitable for steam pressures up to 15 lbs; other types availa ble for pressures up to 75 lbs. The Sylphon No. 889-C Regulator Used on hot water lines, a simple, com pact means for absorbing expansion of "baseboard" radiation, finned convec tors, horizontal supply lines, etc. A twoply Sylphon bellows absorbs expansion, prevents noise, pipe strains, leakage. Complete factoryassembled unit. Easily installed or removed. Sizes in. to 2 in., inclusive. Bulletin HVG-E. HEATING AND AIR CONDITIONING CONTROL Almost any type of heating, ventilat ing or air conditioning system can be advantageously controlled wholly or in part by Sylphon Regulators. Basic ad vantages of Sylphon Controls are: Modulating--Maintain ideal condi tions--notcontinually correctingtoohot, too cold, too humid or too dry conditions. Compensating--Many Sylphon Regu lators offer compensating control, auto matically raising their low limit setting at a predetermined rate as outside tem peratures fall. Sensitive--Close operating tempera ture differentials. Quick response. Simple--in design. Rugged Construction--Give years of satisfactory service. Adaptable--Any one of many combina tions of Sylphon Instruments can be ar A modulating, dual-function regulator for control of duct heating and ventilat ing systems--two independent valves in a single body. Adjustable Thermostat "A" governing Valve "D" functions to maintain room temperature from temperature of re circulated air. Adjustable Thermostat "B" acts as a low-limit ducstat control ling Valve "E" to maintain minimum discharge air temperature. Bulb "C" compensates Bulb "B" to maintain even discharge air temperature irrespective of demand. Compensated Thermostat "B" can also be furnished to raise its setting at a predetermined rate with falling fresh air temperatures if desired. Suitable for steam pressures up to 15 lbs. The Sylphon No. 889-C7 Regulator The No. 889-C7 regulator has a wall type adjustable thermostat that is placed in the room or space to be controlled. This thermostat "A" operates upper half of the regulating valve. Otherwise, same as No. 889-C regulator described above. 1479