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The RESIDEO T991A1012 H/W T991A-1012 Temp Controller is a proportional temperature controller designed for modulating control of water or air temperatures in ducts and tanks. It features a 1/2 Inch Diameter x 4-3/16 Inch Length Copper Bulb with a 20 Foot Length Capillary. The controller compensates for ambient temperature effects and allows remote mounting of the sensing element.
This proportional temperature controller is ideal for maintaining precise temperature control in duct and tank applications. It offers a modulating output and remote sensing capabilities.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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