Universal Compatibility: Serves as a direct 78L4201 replacement for Lennox

Key Benefits for Technicians OEM Compatibility: Precision-fit for Heil

the Cleveland Controls AFS-460-136 features dual inlets—High (H) and Low (L)—allowing it to prove pressure drops across filters or coils

Key Benefits for Technicians: Direct OEM Replacement: Drop-in compatibility for the 42-25105-01

frosting on the evaporator coil

Siemens Combustion AZL52.40B1 Programming Display 30067439-890 Universal Compatibility: Serves as aThe Siemens Combustion AZL52. 40B1 is a robust programming display and operator unit engineered specifically for the LMV5 burner management system. As a critical interface for linkageless burner control, this unit facilitates precise combustion system diagnostics, commissioning, and real time monitoring of industrial and commercial burners. This specific North American (US) variant features a 4MBit internal memory and a high visibility backlit LCD