Lennox 47K20 Transformer critical for maintaining 15 PSI

critical for maintaining 15 PSI max inlet integrity

The orange dot is a technical identifier indicating that this specific switch is rated for a 250°F high-limit threshold

Broad OEM Compatibility: Engineered for seamless integration with Carrier 58MEC

High-Moisture Capacity: Optimized blend of activated alumina and molecular sieve for superior acid and water retention

Lennox 47K20 Transformer critical for maintaining 15 PSIThe Lennox 47K20 Transformer is a heavy duty step down control transformer engineered for high demand HVAC low voltage control circuits. Designed to provide a reliable 24V secondary output from a 208 240V primary input, this 40VA Class 2 transformer ensures consistent power delivery to contactors, relays, and integrated furnace control boards. This unit is a direct OEM replacement part and is technically identical to the Lennox 47K2001 and the