Millivolt

general

A millivolt system is a low-voltage electrical system that produces and uses small voltage signals on the order of thousandths of a volt (millivolts), commonly in the range of 5...

Open article

HVAC

A millivolt gas valve is a mechanical–electrical control device used in standing‑pilot gas appliances to open and close the main gas supply. It relies on a thermocouple to p...

Open article