Description
The Honeywell L4006A1678 Aquastat Controller is a reliable, precision-crafted high/low limit temperature regulator that provides safety and control in hydronic and boiler systems. With its wide temperature range, adjustable differential, and versatile mounting options, it delivers trusted performance in residential and light commercial HVAC settings. Whether you’re setting safety limits or optimizing heating cycles, this Aquastat offers performance and flexibility.
