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        |  | Marsh’s Series R-300 is a thermostatically constructed radiator valve used 
            for low pressure steam heating systems. Refer to R-100 for sizes and range 
            SERIES of patterns on page 3.* Usages:• Low pressure steam and hot water systems
 • Accurate and automatic temperature control
 • Radiators, steam convectors
 • Hydrant heat exchangers
 Features:• Rugged/durability of R-100 Series
 • Installation instructions with valve
 • 15# pressure / 250° maximum
 Options:• Globe and Angle patterns
 • Polishing and chrome plating
 Thermostats conform to A3HRAE Standard 102P-1983.Designed specifically for usage with Marsh’s popular R-100 Series of radiator valves. Fully automatic and no need for electric or wiring.
 * Dimensions Note: Add 2 1/8” to R-100 dimension “C” on page 3 to calculate height of R-300   |  |  |  
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