




Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
Trane CNT3797 is an HSI (Hot Surface Ignition) control module (50A55-486) used in compatible Trane and American Standard furnace ignition systems. The integrated control module operates at 24V and sequences the hot surface ignitor and ignition safety functions. The original CNT3797 was discontinued January 5, 2018; direct replacement reference is control board CNT07941.
24V HSI ignition control module for Trane/American Standard furnaces; part CNT3797; replacement CNT07941.
Thanks for subscribing!
This email has been registered!


