Because HVAC specifications vary

The motor includes a 1/2-inch x 4-1/2-inch shaft with dual flats to accommodate Reznor fan blades securely

improving indoor air quality and overall system performance

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

Can this part be used on power vent models

Lennox 16U84 Service Valve 324846-701 Because HVAC specifications varyThe 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