Tag: HW

King Electric HWP120 ELECTRONIC PROGRAMMABLE LINE VOLTAGE HYDRONIC Thermostat WIRING DIAGRAM Instructions Backlight Display with On/Of Illumination switch, also System off switch Star Hydronic Performer: Backlight Display with On/Of Illumination switch, also System off switch. The HWP (hot water) Series was intended to be used as a 2 circuit thermostat controlling a circulation pump and…