As a direct OEM replacement for specialized HVAC units

then snap the corresponding key into the module’s card port to lock in the OEM-specified timings

improving indoor air quality and overall system performance

This OEM Lennox thermal expansion valve (TXV) is engineered to regulate the flow of coolant into the evaporator coil with exacting precision

Can the CNT3776 replace older control boards like the CNU-9125

Lennox 16U84 Service Valve 324846-701 As a direct OEM replacementThe Lennox 16U84 is a professional grade 3 4" suction line service valve engineered for critical refrigerant flow control in residential and light commercial HVAC systems. This service valve assembly features a high duty brass construction designed to withstand the thermal stresses of brazing while maintaining structural integrity under high pressure. This specific Lennox OEM part is critical for isolating the refrigerant charge during system