Resideo TL8100A1008 Thermostat 321042-401 the coil itself should be

the coil itself should be tested for continuity

replacing older legacy part numbers while maintaining the same specifications

this control features a fixed 30° F open and 40° F close temperature differential

maintaining efficiency even in demanding 50/60Hz environments

Can I use this board to connect a remote display

Resideo TL8100A1008 Thermostat 321042-401 the coil itself should beThe Resideo TL8100A1008 from the LineVoltPro 8000 series is a versatile 7 day programmable hydronic thermostat engineered for high performance control in residential and commercial heating. This specialized line voltage thermostat handles a wide operational range, including 120Vac, 240Vac, and 24Vdc, making it a reliable solution for technicians working on millivolt compatible systems such as gas fireplaces or wood boilers. Its single stage heat logic