This article deals with flame rectification as it applies to direct spark ignition (DSI) modules. They are manufactured by a few different companies — Fenwal, Honeywell, Robertshaw, and White Rodgers, ...

If your gas furnace keeps cycling on and then turning off within a minute or so, it might be the result of a dirty flame sensor. Most gas furnaces have a small sensor designed to shut off the furnace ...

The ACHR NEWS’ web editor, Layan Dahhan, visited Flame Furnace in Warren, Michigan to learn how to do maintenance and basic troubleshooting on a furnace. Dave Goodman, a service instructor at ...