Join us this week as we decode the symbols commonly found in boiler wiring diagrams. Discover how to recognize and understand the significance of each symbol in this quick guide. Safety notice: Always ...

This photo was sent in from an anonymous electrician. He said he found this creative wiring connection when he “went into a boiler room to pull wire for something else.” He believes this is wiring for ...

A trend has developed in some states regarding the installation of residential boilers. Previously accepted codes, such as BOCA, are now being phased out and replaced by the International Mechanical ...