Description
The Lochinvar & A.O. Smith 100145992 Fuse 1A 600V JJS-1 is a protective electrical component used in water heating equipment to safeguard control circuits from overcurrent conditions. It is installed in boilers, water heaters, and control panels in HVAC systems. This fuse interrupts in the electrical circuit when current exceeds the rated 1-amp limit, helping prevent damage to sensitive electronic controls and wiring. It is used during install and servicing of heating systems to maintain electrical safety and protect control board components under fault or overload conditions.









