Microprocessor-based, the Fuel-Mizer™ outdoor reset switching relay control is designed to regulate the supply water temperature of a single boiler, based on the outdoor temperature. With reduced ...

Over the years, control relays of various types have been used by the hundreds — even thousands — to control nearly every function in commercial and industrial processes. Today, many of those ...

Smart heating is great for automating controls and making your home more comfortable. So how does Netatmo's system fare? When you purchase through links on our site, we may earn an affiliate ...