Trane MOD1401 Module L99H008 the module is designed to

the module is designed to control the ignition sequence regardless of the gas type

System Compatibility: Fits a wide range of Lennox variable speed furnaces and air handlers

this OEM-spec control is essential for modernizing legacy units and ensuring code compliance for industrial heating equipment

The Robertshaw 5300 series generally maintains a mechanical differential of approximately 12°F to ensure stable cycling without excessive wear on the contacts

delayed ignition "puffs

Trane MOD1401 Module L99H008 the module is designed toThe Trane MOD1401 Module is a purpose built, high power relay output component designed for integration into commercial HVAC systems, specifically appearing in heavy duty applications like Trane CDHF chillers and large air handlers. As a genuine OEM Trane replacement part, this module serves as a critical interface for high current load switching, allowing low voltage control circuits to safely manage power heavy functions such as compressors, large