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Armstrong OB30 Direct Acting Temperature Regulator
Model Number: Armstrong-OB30-Direct-Acting-Temperature-Regulator
OverviewThe Armstrong OB30 Direct Acting Temperature Regulator is a regulator that requires no external source for operation. Simple and compact, the unit is suitable for a wide variety of heating applications. Installing, adjusting or maintaining the OB-30 is quick and easy, because interchangeable capillaries mount in any position and disconnect by simply loosening the union nut. No stem packing, so theres no leakage. Single composition seat for tight shutoff. The OB-30 comes in 1/2", 3/4", or 1" (1525 mm) sizes and is available with a choice of five temperature ranges and three capillary lengths.
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