Description
Honeywell L4006A Aquastat Immersion Temperature Control 100–240°F. This Honeywell (Resideo) L4006A Aquastat Immersion Temperature Controller is a professional-grade control designed to regulate or limit liquid temperatures in commercial and industrial heating systems. Commonly used in propane, LP gas, and natural gas-fired boilers, this immersion-type aquastat provides precise temperature sensing by inserting the 3/8" x 3" bulb directly into an immersion well (well not included on this model). Key Features & Benefits: Controls water or liquid temperature in boilers and storage tanks Open-on-rise switching action for reliable system protection Adjustable 5°F–30°F differential for flexible system tuning Wide operating range: 100°F to 240°F Ideal for hydronic heating systems, circulator control, and high/low limit applications Durable metal enclosure built for industrial environments Electrical Ratings: 8 Amps @ 120V 1.3 Amps @ 240V This aquastat is commonly paired with gas-fired heating equipment and is trusted by HVAC professionals for dependable temperature regulation in demanding applications.