The Armstrong Aqua Stat is available for constant circulation applications to maintain temperature between 85F and 105F (29C and 41C). The Armstrong Aquastat control accessory is designed for use with circulators in potable hot water re-circulation installations. The Armstrong Aqua Stat control automatically turns the circulator on when the temperature in the hot water line falls below approximately 85F (ON condition - for example when there is low demand on the hot water supply). The control turns it off again when the temperature exceeds 105F (OFF condition - as in the case of periods with high demand).Armstrong part number 110123-121.
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