National boilers, radiators, and specialties: catalog no26 . he Minneapolis Heat Regulator —the only difference being in the extension. In connection with the motor, it controls valves, dampers,etc., for the regulation of hot water, steam, bake ovens, vul-canizers, etc. The extension is put through the side of boiler or other recep-tacle and firmly fastened into place by the screw thread, therebymaking a perfectly tight joint, having the case and dial outside. This regulator is used extensively in apartments, hospitals,public buildings, or any place where hot water is required through-out the
National boilers, radiators, and specialties: catalog no26 . he Minneapolis Heat Regulator —the only difference being in the extension. In connection with the motor, it controls valves, dampers,etc., for the regulation of hot water, steam, bake ovens, vul-canizers, etc. The extension is put through the side of boiler or other recep-tacle and firmly fastened into place by the screw thread, therebymaking a perfectly tight joint, having the case and dial outside. This regulator is used extensively in apartments, hospitals,public buildings, or any place where hot water is required through-out the year. Prevents water boiling and is a fuel saver. Ifnecessary can be made to a range of 400 degrees Fahrenheit. Size of thermostat, 4 inches. Length of extension, 2 longer extension is required, it can be furnished at an additionalcharge. List prices, see page 83. Important Note:—Order by Model number and if Electric,specify D. C. or A. C. Our A. C. Motors are 110 volts, 60 cycle. 81 NATIONAL HEATING SPECIALTIES The Minneapolis Heat Regulator.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectsteambo, bookyear1920
