Description
Safeguard your hydronic heating systems with the Honeywell/Resideo L4008E1156, a high-limit manual-reset Aquastat controller designed for accurate temperature regulation. With a factory-set stop at 250 °F (121 °C) and a remote sensing bulb feature, this controller ensures precise temperature protection in boilers, storage tanks, or ductwork.
Features:
- Remote temperature sensing element detects and responds rapidly to temperature changes.
- Totally enclosed Single Pole Single Throw (SPST) Micro Switch™ snap-acting switch.
- Visible control point scale and external adjustment screw permit easy setting.
- Horizontal and/or vertical mounting of the remote element into boiler, tank, or other container unless otherwise noted.
- UL and CSA listed limit device.











