1/2" Threaded x 1/2" Male Union Horizontal Angle Valve with Straight Nipple (9000179)

The Macon valve is designed to save energy by controlling hot water or low pressure steam heat in freestanding radiators, convectors, baseboards, fan coil units and the like in a loop, a zone or a unit. The valve, coupled with a Macon operator, provides a reliable automatic modulating unit. As room temperature drops, the Macon valve opens to allow more hot water or steam to flow through the radiator, thus allowing more heat into the room. When the room approaches the selected temperature, the operator causes the valve to begin closing off the flow of hot water or steam. This continued monitoring of the temperature is fully automatic, using no electricity whatsoever. The Macon valve can be equipped with any wide variety of Macon operators.

Features:

• Compact dimensions
• Replaceable insert
• Stainless steel spindle
• Individual room control
• Easy one-trade installation
• Fuel savings up to 30%
• Prevents over- and under-heating
• Helps balance the heating system
• Same valve used for hot water or low pressure steam
• All NPT are forged brass nickel-plated
• Minimizes or eliminates expansion noises
• Suitable for nearly any hydronic heating application
• Operators can be changed without draining the system
• Shipped with a protective cap that can be used to control heating during the installing period

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