Description
Resideo L4008E1040 High Limit, Manual Reset Aquastat Controller (130°F to 270°F Operating Temp)
Overview
The Resideo L4008E1040 is a high limit manual reset aquastat controller used for limiting or regulating temperature of liquids in boilers, tanks, or sensing duct/outside air temperature. It features a remote bulb sensing element with a snap-acting SPST switch that breaks on temperature rise.
Key Features
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Remote temperature sensing element for rapid response
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Totally enclosed SPST microswitch
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Visible control point scale with external adjustment screw
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Suitable for horizontal or vertical mounting
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Factory-set stop at 250°F
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UL and CSA listed
Specifications
| Specification | Details |
|---|---|
| Application | High Limit, Manual Reset |
| Bulb Size | 3/8" x 2-7/8" (10 mm x 73 mm) |
| Capillary Length | 66" (5 1/2 ft) |
| Temperature Range (°F) | 130°F to 270°F |
| Temperature Range (°C) | 54°C to 132°C |
| Switch Action | SPST, contacts break on temp rise |
| Differential Temperature | Manual Reset |
| Mounting | Horizontal or Vertical |
| Max Temperature (°F) | 270°F |
| Min Temperature (°F) | 130°F |
| Electrical Ratings (AFL) | 8A @ 120 Vac, 5.1A @ 240 Vac |
| Electrical Ratings (ALR) | 48A @ 120 Vac, 30.6A @ 240 Vac |
| Electrical Rating (millivolt) | 0.25 A @ 0.25 to 12 Vdc |
| Dimensions (inches) | 5-5/8" H x 2" W x 2-1/8" D |
| Dimensions (mm) | 143 mm H x 51 mm W x 54 mm D |
| Certifications | UL Component Recognized, CSA Certified |
| Hazmat Information | UN 1294, Toluene, 3, II |
