Description
The Honeywell/Resideo L4006A2015B is a high-performance High or Low Limit Aquastat Controller designed to provide precise temperature regulation in hydronic heating systems. Whether you’re managing residential boilers, industrial water heaters, or other hydronic applications, this controller ensures optimal performance and safety.
Specifications:
- Mounting Position: Vertical or Horizontal
- Operating Temperature Range: 100 to 240°F (38 to 116°C)
- Bulb Size: 3/8 x 2-7/8″ (10 x 73mm) Copper
- Differential Temperature: 5 to 30°F (3 to 17°C)
- Switching Action: SPST; Breaks on Temperature Rise
- Approval: UL Recognized and AGA Certified
- Capillary Length: 3″ (76mm)
- Application: High or Low Limit
- Dimensions: 5-5/8″ High x 2″ Wide x 2-1/8″ Deep
- Maximum Temperature: 150°F (66°)










