Keep your boiler or hydronic system safe from overheating with the Honeywell/Resideo L4006E1067 High‑Limit Aquastat from Honeywell. This immersion‑type safety controller is designed to shut off heat when liquid temperature exceeds the set limit. With a rugged manual reset, wide temperature span, and flexible mounting, it’s an essential safeguard for boiler, storage tank, and hydronic heating applications.
Features:
- Totally enclosed Micro Switch snap-acting switches operate on temperature rise to setpoint.
- Visible control point scale and external adjustment screw permit easy setting.
- Horizontal or vertical insertion of the sensing element.
- Direct or well immersion of the sensing element.
- Models available for strap-on mounting.
- Remote bulb model may be used to sense air temperature in ducts and in outside air sensing applications.
- Select models have wells.
- UL limit rated device.
