Field technicians often encounter these in variable air volume (VAV) boxes and damper controls where precise modulation is required

Automatic Reset Function: Eliminates the need for manual intervention once the plenum temperature drops to the 125°F closing threshold

and Tempstar units

Engineered with a 3-inch insertion length and a board-mount configuration

extending the service life of the draft assembly

Lennox 20J90 Ignitor Field technicians often encounter theseAs a seasoned technician, you know that a reliable ignition sequence is the backbone of any call back free furnace repair. The Lennox 20J90 Electrode Spark Ignitor is a genuine OEM replacement designed specifically for high performance Lennox unit heaters and furnaces. This L style spark electrode features a precision engineered 2. 61 inch electrode length and a total ignitor length of 2 7 8 inches, ensuring the arc reaches the gas stream at the exact