Lennox 15W77 Blower Wheel 321894-709 while the switch head itself

while the switch head itself should not exceed 140°F (60°C)

As a direct replacement for MA-7203 and MA40-7073

For field technical support

The Marley Engineered Products 5814-0003-002 Transformer is a heavy-duty 480V to 24V step-down transformer designed for critical electrical induction and control circuit applications

Lennox 15W77 Blower Wheel 321894-709 while the switch head itselfThe Lennox 15W77 Blower Wheel is a precision engineered direct drive blower wheel designed for high efficiency airflow management in commercial and residential HVAC systems. Featuring an 11 inch diameter and 10 inch width, this OEM Lennox replacement part (replaces LB 29333BDC) provides the necessary centrifugal force to maintain consistent indoor temperatures. The 1 2 inch bore ensures a secure fit on standard motor shafts, while the CCW (Counter