a single pointer on the internal scale indicates the current cutout value

code-compliant solution for hot water space heating reliability

Common Questions Is the Watts 0590716 compatible with my older 590715 installation

Versatile Voltage Support: The 208-240V AC coil voltage provides compatibility with standard commercial and industrial power supplies

For pros in the field

Neptronic AC2-B Auxiliary Switch 321894-708 a single pointer on theThe Neptronic AC2 B is a high performance auxiliary switch designed for seamless integration with Neptronic BT, BTM, and BTX series actuators. Built to handle double pole, double throw (DPDT) configurations, this unit provides precise remote status feedback and control for HVAC dampers and valve actuators. As the engineered replacement for the BT180 and compatible with BT160 footprints, it secures reliable end switch signaling within building