Bard 7003-031 Filter 30067439-890 it functions as the central

it functions as the central boiler controller

This DF9 model kit is the designated direct replacement for legacy part numbers 100170510 and TST1294

it eliminates the voltage drop and signal noise issues often associated with generic aftermarket terminals

including precise timing for the hot surface ignitor (HSI) and continuous flame sensing to ensure safe combustion

which is the 30-inch side

Bard 7003-031 Filter 30067439-890 it functions as the centralThe Bard 7003 031 15. 5 x 29. 5 x 0. 75 Aluminum Frame Filter is a heavy duty, permanent air filtration solution engineered for high performance HVAC wall mount units. Designed as a direct replacement for Bard wall mount air conditioners and heat pumps, this washable aluminum mesh filter features a rigid 0. 75 inch frame that maintains structural integrity under high static pressure. The multi layer expanded aluminum media provides effective