Specifically engineered for larger 1" to 2" pipe sizes

5W consumption reduces heat generation within the coil

Optimized for superior ignition reliability

Direct OEM Compatibility: Engineered specifically for AAON equipment

a fouled or oxidized sensor is the primary cause of furnace short cycling or no flame detection error codes

Lennox 38M45 Transformer 320074-702 Specifically engineered for larger 1"The Lennox 38M45 Transformer is a critical HVAC 40VA step down transformer designed for reliable voltage regulation in Lennox residential and commercial units. This 208 240V to 24V transformer serves as a direct replacement for Lennox 38M4501, providing the necessary low voltage power for thermostats, gas valves, and integrated furnace controllers. Built for durability in high cycle environments, it features a primary input rated for dual voltage 208