Description
The Honeywell/Resideo L4006E1133/B is a durable, immersion-style high-limit aquastat designed to monitor and control liquid temperatures between 100 and 240 °F (38–116 °C). Featuring a single-pole, single-throw (SPST) switch with manual reset capability, this thermostat delivers precise regulation and dependable safety in commercial and industrial heating applications. It is CSA-certified and approved for rugged usage.
Specifications:
- Operating Temperature Range: 100 to 240°F (38 to 116°C)
- Maximum Temperature Range: 150°F (66°C)
- Switching Action: SPST
- Mounting: Horizontal or Vertical
- Capillary Length: 1-1/2 to 3″ (38 to 76 mm)
- Well Spud Size: 1/2″ – 14 NPT
- Approvals: UL-recognized, AGA, and CSA-certified
- Application: High Limit; Manual Reset
- Capillary Bulb Pressure Rating (Direct Immersion): 200 psi (1379 kPa)
- Immersion Well Pressure Rating: 255 psi (1758 kPa)










