Description
Honeywell L4008A1015 High/Low Limit Remote Bulb Aquastat
100–240°F Range | Adjustable 5–30°F Differential | 5.5 ft Capillary
The Honeywell L4008A1015 Remote Bulb Aquastat is designed to precisely limit or regulate the temperature of liquids in boilers, storage tanks, and other hydronic heating applications. Equipped with a remote sensing bulb and a 5-1/2 ft capillary, it can also monitor duct or outside air temperature. The rugged enclosed micro switch with snap-acting contacts ensures reliable operation, while the visible control point scale and external adjustment screw make setup quick and easy.
Key Features
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Remote temperature sensing bulb detects and reacts rapidly to temperature changes
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Totally enclosed SPST snap-acting microswitch breaks on temperature rise
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Adjustable temperature differential from 5°F to 30°F
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Horizontal or vertical mounting of sensing bulb for flexible installation
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Includes 5-1/2 ft (66") capillary for remote sensing
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Suitable for high or low limit temperature control of boiler water or tank liquids
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Durable construction with UL and CSA certifications
Specifications
| Specification | Details |
|---|---|
| Application | High Limit / Low Limit |
| Bulb Size | 3/8" diameter x 2-7/8" length |
| Capillary Length | 66" (5-1/2 ft) |
| Switch Action | SPST (Single Pole Single Throw) |
| Contact Operation | Breaks on temperature rise |
| Temperature Range | 100°F to 240°F |
| Differential | Adjustable, 5°F to 30°F |
| Electrical Ratings | 8A @ 120 VAC, 5.1A @ 240 VAC, 0.25A @ 0.25–12 VDC |
| Electrical Ratings (ALR) | 48A @ 120 VAC, 30.6A @ 240 VAC |
| Mounting | Vertical or Horizontal |
| Dimensions (HxWxD) | 5-5/8" x 2" x 2-1/8" |
| Max Ambient Temp | 150°F |
| Well Included | No |
| Certifications | UL Component Recognized, CSA Certified |
