Description
The Honeywell/Resideo L4008E1305/B is a precision high-limit Aquastat controller ideal for monitoring and limiting liquid temperatures in boilers, tanks, or ducts. Featuring a remote sensing bulb, adjustable range, and manual reset, it ensures safe, dependable operation in HVAC and industrial heating systems.
Features:
- Remote temperature sensing element detects and responds rapidly to temperature changes.
- Totally enclosed Micro Switch+ snap-acting switch.
- Visible control point scale and external adjustment screw permit easy setting.
- Horizontal or vertical mounting of the remote element into boiler, tank, or other container.
- Case mounts to a vertical surface.
Specifications:
- Description: High Limit; Manual Reset Aquastat Controller with 100 F to 240 F operating temperature and 66 in. capillary
- Application: High Limit; Manual Reset
- Bulb Size (in.) : 3/8 in. x 2 7/8 in. copper
- Bulb Size (mm) : 10 mm x 73 mm copper
- Capillary Length (in.): 66 in.
- Switching Action: SPST, contacts break on temperature rise.
- Operating Temperature Range (F): 100 F to 240 F
- Operating Temperature Range (C): 38 C to 116 C
- Electrical Ratings (millivolt): 0.25 A @ 0.25 to 12 Vdc
- Electrical Ratings (AFL): 8A @ 120 Vac
- Electrical Ratings (AFL): 5.1A @ 240 Vac
- Electrical Ratings (ALR): 48A @ 120 Vac
- Electrical Ratings (ALR): 30.6A @ 240 Vac
- Differential Temperature (F): Manual Reset
- Differential Temperature (C): Manual Reset
- Maximum Ambient Temperature (F): 150 F
- Maximum Ambient Temperature (C): 66 C
- Case Dimensions (in.): 5 5/8 in. high x 2 in. wide x 2 1/8 in. deep
- Case Dimensions (mm): 143 mm high x 51 mm wide x 54 mm deep
- Mounting: Horizontal or Vertical










