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The Resideo L4006A1967 Aquastat Controller regulates the temperature of fluids in boilers and storage tanks. This model is suitable for both high and low limit applications. It comes equipped with a 1-1/2 inch well and is factory-set to stop at 240 degrees Fahrenheit.
Designed for easy integration into heating systems, this aquastat controller features a fully enclosed Micro Switch snap-acting switch, which activates on temperature rise to the set point. Notable for its reliability in maintaining system temperatures within a range of 100 to 240 degrees Fahrenheit.
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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