Multimeter Says OL? Your Radiant Heater Glow Bar May Be Bad
Introduction A radiant heater that will not ignite can sometimes come down to one small part: the hot surface igniter, commonly called a glow bar. Fortunately, diagnosing it is straightforward. All you need is a multimeter set to resistance, or ohms. An OL reading is often the first big clue. It usually means the igniter […]
Read More