As a direct functional equivalent to the N100-2501

A malfunctioning 031-00733-000 can cause erratic control behavior or nuisance trips related to high discharge temperature alarms

including the JAVA 2 QB-D series

System Protection: Acts as the primary line of defense against attic or ceiling leaks

Lochinvar & A.O. Smith 100092683 Ignitor 318423-701 As a direct functional equivalentThe Lochinvar and A. O. Smith 100092683 Ignitor is a high performance Norton hot surface igniter designed for precision combustion in residential and commercial gas fired water heaters and boilers. This 120V HSI replacement is a critical component for maintaining consistent ignition cycles, specifically engineered to withstand the thermal stress of frequent cycling in high efficiency systems. As a direct OEM replacement part, it ensures proper