resideo Single Aquastat for Oil Boiler without Tankless Coil

This immersion-type Honeywell Single Aquastat for oil boilers helps monitor and adjust your forced hydronic heating system's temperature. This keeps the heating system running efficiently. There is a special provision for adding remote low limit and circulator control support.

• Tests and adjusts a forced hydronic heating system's temperature
• Mounts horizontally to your system, offering convenience
• Works with oil boilers that have no tankless coil