Document gEENn67ZpY2zbeYryrBzBgXeV

241 April Showers Sprayed Roof Cooling Systems Advantages of April Showers System Reduces roof temperatures as much as 50 Usually lowers indoor temperatures 10 to 15 Extends roof life 2 to 3 times Reduces air conditioning needs 15% to 25% Costs very little to install and operate Acts as an effective lightning arrestor Reduces fire hazard to the roof Can be used to wash away nuclear fallout COMPARATIVE EFFECTIVENESS OF ROOF COOLING SYSTEMS- Figures derived from tests on large plant near Boston, Mass, in September April Showers alone can effectively reduce indoor temperatures. Used with air conditioning, it reduces the amount of equipment re quired by 15% to 25%, and operating costs drop proportionately. Typical April Showers Installation in cludes thermostatic controls, which turn on water for approximately 20 seconds, only as often as needed to keep roof moist. Controls are adjusted at in stallation, so there is no water run-off. The water used is all evaporated from the surface of the roof. Patented, scientifically-designed spray heads throw two rings of water droplets that evenly wet the entire roof surface. The result is maximum cooling with minimum water consumption (approxi mately 160 gaL/day/1,000 sq. ft. of roof area). Send for catalog AS-1, or write concerning specific situations. CkAvV p,c/^u- ^Arviw}a.<vta-vj Division of SWARTWOUT Fabricators, Inc. Kokomo, Indiana CONTROLS COMPANY OF AMERICA THERMAC GAS DIVISION M285 EAST SIXTH STREET CORONA, CALIFORNIA ^APPLIANCE gas controls for residential BAND COMMERCIAL HEATING Automatic Gas Appliance Controls Model SLS-42IEOP--A completely silent jfsutomatic control with step-flow ignition, independent pilot supply and 100% autogSatic safety. Step-flow design gives abaoSale control of ignition regardless of ingpet ... no ignition noise. Ideal for closet atallation and similar applications where diet operation is essential. 100% autogmatic safety and independent pilot supply manual valtffe to be shut off and pilot Ijeft on, or pilot may be lighted with main live off. Made for 2SV, 11SV, and 220V {operation. iodel 1S9 Cos Control Valve: For space theaters. Built-in pressure regulator. 100% ftsafe ignition and shutoff. Electromagnetic static operation. Therznomagnetic |u{ety pilot A full range of automatic ac cessories is available. Model SLS521E0P--Ideally suited for [tigh input equipment, this completely siK*t combination control with controlled k&tition has regulator, automatic valve, safety and independent pilot supply. V and Gas Spark Ignition System: A new concept in gas ignition and controls. A complete system that incorporates all the necessary safeguards for gas burning equipment. This will allow new thinking in gas equipment design since the limitations of a pilot burner have been removed. Model S-40E0--Thermae Gas Valve with silent electrical operator. Has same 2-stage controlled ignition as other Thermae units shown, and is particularly suited for high input equipment. Thermae Controlled Ignition Valve-- Model SA-5IEOP and SA-61EOP provide smooth, controlled ignition for high input equipment. The valve instantly admits just enough gas for proper ignition. Then gradually, in a second step it opens to full flame, The entire controlled ignition proc ess is completed in seconds. This model in corporates, 100% automatic safety with inde pendent pilot supply, allowing the manoal valve to be dosed without shutting off pilot gas supply, ideal for boilers, central heating units, instantaneous and circulating hot water heaters, and hot water boilers. It is an electrically operated diaphragm"valve, available in ?*, 1*, 114', 1V6' and 2' sizes. Also available in 5 Series without the automatic safety. Thermae Cos Regulators--"T" Series Thermae Gas Regulators are simply and ruggedly designed. They are easy to in stall even in cramped areas and can be serviced if ever required without removal from the line. All Thermae Regulators are AGA approved and accepted by leading utility companies. Thermae Regulator sizes cover the range from %* to 2V4' pipe size for all domestic and most commercial pressure regulation requirements. They can be furnished with optional vent connection . . . with fixed pressure settings . . and are factory as sembled, tested and sealed. Send for com plete specifications and prices. Thermae Main Gas Shut-Off Valves-- Precision machined from the finest alumi num alloy stock for great strength, rigidity and resistance to severe shocks and im pact Low resistance to Sow provides far greater capacity and lower pressure drop. Each valve part is visually inspected be fore assembly and tested against leakage. Permanent factory lubrication eliminates . maintenance. Made in all popular and capacities and AGA and CGA certified for natural gas, manufactured gas, mixed gases, LP gas-air mixtures and LP Gases. (Trite for Thermae Model SL-200--a combination pressure regulator and thermo-electric safety. Sizes: Vi* and Capacities to . 320,000 BTU. Incorporates safe lighting feature operated by posh button. Thermae Pilot Valves--Made from the finest aluminum alloy and given the same careful inspection arid quality control as Thermae Gas Valves. These valves have newly improved outlets and inlets for V6* pipe (male or female) or any combination of pipe and V4* tubing. AGA certified acid available with or without throttle adjust ment for positive flow eontroL Made in right or left band and straight-thru models. Send for catalog.