Description
The Honeywell/Resideo L4081B1047 is a dual-function aquastat engineered for hydronic heating systems. It combines a fixed high limit switch with an adjustable low limit (or circulator) switch, all housed in a horizontal-mount design that works in any orientation—no leveling needed.
Features:
- An immersion type liquid-filled sensing element actuates two snap switches.
- One switch operates as a high limit control.
- The other switch operates as a low limit and/or circulator control, depending on the model.
- Controller may be mounted in any positioning and needs no leveling.
- Separate, easy-to-read, calibrated dial and setpoint adjustments for each switch.
- Differential adjustment on low limit or circulator switch.
- All adjustments accessible inside front cover.
- Push-in terminals for quick connecting.
- Single sensing element for easy installation.
- Two SPST snap switches act independently at respective temperature settings.
