5" WC Natural Gas regulator that can be fine-tuned to meet specific appliance rating plate requirements

How does the hard start feature function

Common Questions What are the symptoms of a failing Lennox gas manifold

Optimized Flow Capacity: Delivers a 15 Cv rating

Trane FAN3748 Fan Blade 320788-703 5" WC Natural Gas regulatorEnsure peak performance in residential condensing units with a genuine Trane FAN3748 Fan Blade. Designed for optimal heat transfer, this 19 inch diameter component is essential for maintaining the subcooling and head pressure levels required for efficient cooling. Built from durable aluminum, this 3 blade propeller features a precision engineered 31 degree pitch to maximize CFM while minimizing motor load. As a direct Trane OEM replacement part, it