use a multimeter to check for 0 ohms across the terminals once the -1

Extended Service Life: Deep-pleated design provides superior dust-holding capacity

intermittent hot surface pilot ignition control designed for modern fan-assisted combustion systems

it allows technicians to establish an adjustable "dead band" for complex control circuits requiring both high and low actuation points

Lochinvar & A.O. Smith 100112746 Display Board 320074-702 use a multimeter to checkAs a field tested technician, you know that a compromised user interface on a commercial water heater effectively sidelines the entire system. The Lochinvar & A. O. Smith 100112746 Display Board serves as the primary User Interface Module for high efficiency systems, including the Cyclone BTH 120 through BTH 250 series. This genuine OEM replacement part (also identified by MPN 9008460005) is engineered to restore full system diagnostics and parameter