Description
The Aquastat® controllers from Resideo are immersion type devices for limiting or regulating the temperature of liquids in boilers, storage tanks, and other applications where temperature control is required. These controllers come in a variety of sizes and ranges for applications that utilize existing wells.
- Model: L4006A1959, Only (No Well)
- Temperature Range:
- Operating Minimum Temperature = 40°F
- Operating Maximum Temperature = 180°F
- Capillary Length: 3 inches


