Description
The Honeywell/Resideo L4006E1125 is a trusted immersion-style high-limit aquastat controller designed to safeguard boilers, storage tanks, and hydronic systems from overheating. Featuring a manual reset and a reliable SPST switch, this high-limit device ensures your system shuts off at the safe set point and only restarts when manually reset—prioritizing safety and system protection.
Specifications:
- Application: High Limit, Manual Reset
- Bulb Size: 3/8″ x 2-7/8″
- Capillary Length: 3″
- Switch Action: Contacts Break on Temp Rise, SPST
- Temperature Range (F): 100°F to 200°F
- Electrical Rating: 0.25 A @ 0.25 to 12 Vdc, 5.1A @ 240 Vac, 8A @ 120 Vac
- Electrical Ratings (ALR): 48A @ 120 Vac, 30.6A @ 240 Vac
- Max Ambient Temp (°F): 150°F
- Height: 5-5/8″
- Width: 2″
- Depth (Inches): 2-1/8″
- Well Included: No
- Mount: Horizontal, Vertical
- Differential: Manual Reset











