The C3 internal clearance is critical for high-speed HVAC equipment

Its compact footprint allows for installation in tight mechanical headers

This complete assembly includes the motor

This normally closed (N/C) assembly features a 2

Trane ADP1118 Adaptor 321042-401 The C3 internal clearance isThe Trane ADP1118 (also recognized as ADP01118) is a critical flue transition adaptor engineered for high efficiency Trane furnace and air handler exhaust systems. As an essential HVAC replacement part, this OEM component facilitates an airtight connection between the furnace combustion outlet and the primary venting system, effectively mitigating the risk of flue gas leakage and ensuring optimal draft performance. Constructed from high grade, heat