CNT05165 – CONTROL BOARD (TRANE, 80V HSI, AFTERMARKET, DIRECT, 50A65-5165)

If your furnace won’t ignite, shows error codes, or the blower won’t start, the control board controls all of it. The CNT05165 is an integrated furnace control for Trane and American Standard furnaces using 80V hot surface ignitors. The 50A65-5165 is the aftermarket replacement.

Specs: 80V HSI integrated furnace control, 50A65-5165 aftermarket equivalent

Replaces: CNT03076, CNT03798, CNT05164, CNT05165, 50A65-474, 50A65-475, 50A65-476, 50A65-5165, D341213P01, D341396P01

Fits: Trane: TUD100C945K2 and similar models; American Standard gas furnaces using 80V HSI control boards

Need help? See our Furnace Not Heating Guide.

In stock at Open To Public HVAC Parts in Dallas. We test parts at the counter before you buy. Call or text (214) 340-9421.

Cross-reference numbers

This part replaces the following OEM and aftermarket numbers:

• 50A65-474
• 50A65-475
• 50A65-476
• 50A65-5165
• CNT03076
• CNT03798
• CNT05164
• D341213P01
• D341396P01
• D341396P03
• D341396P04
• D341396P05
• FURNACE-CONTROL-BOARD
• KIT18110
• TRANE-CONTROL-BOARD
• TUD100C945K2

Not sure if your number matches? Call (214) 340-9421 or bring the old part in — bench-testing is free.