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, ...
The Family Handyman on MSN
How Does a Gas Furnace Work?
If you need to purchase a gas-burning forced-air furnace but aren't sure how they work, here's what you need to know.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback