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including those used in R-134a and R-123 systems
by installing an external 500
providing three total switches across its timing sequence for versatile control of fans and heating coils
Its compact 1-inch frame and 50/60 Hz frequency rating make it a versatile choice for standard refrigeration motor-compressor protection
Lennox 10W56 Ignition Control 319847-401 including those used in R-134aInstall the Lennox 10W56 Ignition Control Module to restore precise timing and safety monitoring to your residential gas heating system. As a direct OEM replacement part, this integrated solid state control manages the 24VAC ignition sequence, ensuring consistent burner light off and flame supervision. Known technically as part number 100253 01, this unit replaces legacy modules found in various Lennox and Allied Air configurations, including the