Document bBR3Nyk4gn0nRjOka4n1k5M1o

Controls and Instruments Sterling, Inc, 3738 North Holton Street, Milwaukee 12, Wisconsin Heating and Temperature Control Products .. Distributed tbroughleading Heating and Plumbing Wholesalers Sales Representatives in Principal Cities CONDENSATION and VACUUM PUMPS 4100 and 4200 Series (illustrated): neat, convenient unit with either steel or cast iron tank. Dual voltage capacitor type motor and carbon type rotary seal--for all jobs up to 15,000 sq ft EDR, 20 psi. 3500 Series: heavy duty units with pedes tal mounted steel tank for a wide range of jobs--2000 to 65,000 sq ft, up to 150 psi. 3700 Series: with heavy cast iron tank for installation underground or in wet locations. 2000 to 20,000 sq ft, 20 or 30 psi. Vacuum Pumps: Type V, 2500 and 5000 sq ft, 20 psi: Type S, 10,000 to 40,000 sqft, 20 to 40 psi. Series 150-E TEMPERATURE CON- , TROL VALVES Self-powered, modulating control valves --applicable to any process involving heating and cooling by means of water, oil, steam or other fluids. Sturdy bellows --sealed valve with stainless steel trim and monel bellows. Armored capillary tube. Extremely compact--MOUNTS and OPERATES in ANY POSITION. Sizes: Yi in., % in., 1 in. Max. pressure: 125 psi. Direct or reverse acting. Series 117-A: Dependable action for larger capacities. Sensitive thermostat bellows operates a pilot valve--steam supply pressure is used for smooth posi tive operation.Sizes: in., lj^in., 2 in. Max. pressure: 125 psi. Direct acting only. FLOAT and THERMOSTATIC TRAPS Used wherever it is desired to prevent flow pf.steam, but to permit passage of air. mid water ... on unit heaters, large radiators and convectors, water heaters, steam main drips and other types of equipment where steam is used. Com pact, rugged, easy to service. Bellows thermostat vents air, float valve has plenty of capacity for large amounts of condensate. Sizes:% in., 1 in., lj^in., IK in., 2 in'. Max. pressures: 15, 100 psi. Also Strainers, Radiator Valves, Boiler Return Traps. SERIES 120-A THERMOTROLS Self-contained individual radiator tem perature controls for steam or hot water. Simple to install! Eliminate overheating, save fuel. Maintain even temperature for comfort and health. Sizes: in.t % in., J in. Body styles: Angle, Straightway, Corner. THERMOSTATIC TRAPS: Keep radi ators clear of condensate without wast ing steam. Dependable bellows thermo stat, sturdy bronze bodies and covers, replaceable seats. Sizes: K in., in., 1 >nMax. pressures: 15, 65,100,125 psi. Body styles: Angle, Straightway, Corner, Ver tical. >320 Controls and Instruments White-Rodgers Company New Yobx, N. Y. (Long Island Citt) Buttalo, N. Y. Atlanta, Ga. 1209 Cass Ave., St Louis 6, Mo. In Canada, White-Rodgers Limited, Toronto Chicago, III. Dethoit, Mies. Distributors in Prindgal Cities Cleveland, Ohio Pmr.tTmJwti, Pa. (Hatestown) Columbub, Ohio HYDRAULIC-ACTION CONTROLS The complete line of White-Rodgers- controls includes: Warm Air Controls Relays Low Voltage Thermostats Gas Valves Line Voltage Thermostats Oil Burner. Controls Hot Water and Steam Con- Refrigeration, and Air-Condi- trols tioning Controls Hydraulic-Action temperature controls operate on the principle of expansion and contraction of a solid liquid charge against a diaphragm. This system, developed and perfected by White-Rodgers provides accuracy-com parable to that of a fine thermometer .. . and other outstanding features guaran teeing excellent performance. ADVANTAGES OF HYDRAULICACTION Hydraulic-Action controls provide maxi mum sensitivity--positive dial settings --full range accuracy--consistent differ entials--eliminates temperature drift-- simplified installation--extra sturdy switch mechanism--and other qualities that assure long satisfactory operation. "Fashion" Thermo stat, low voltage, shown with hinged cover partly open. Pleasing shape blends xvxth any room decor. Adobe Beige finish. . Bi-. metal operation' / Fan <fe Limit con trols in single ease. Note the flexible de ments. Also in single units. PRIMARY CONTROLS In addition to Hydraulic-Action Con trols, White-Rodgers manufactures Oil Burner primary controls, Gas Valves (both diaphragm and solenoid types) and automatic pilots for gas installations. Line voltage thermo stat for uml heaters. or air conditioning installations. "Cushioned Power" Solenoid Gas Valves. Quiet, eoft eeat, spring loaded. For ALL gases. Dual Hot Water Controls. Limit and Circulator, High and Low Limit combina tions. Also made in single controls. Remote bulb heavy- duty thermostat, also available contained wbuitlhbs'.s'elf:>J c\\ .OtI Burner primary V .' control (stack switch). *Intermittent or Conu '}Qstant Ignition typee. Contact your nearest White-Rodgers office for complete infoimStion.' Catalog and engineering data furnished quickly. 321