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The Lennox 49L92 Pressure Switch is a high-precision OEM HVAC replacement part engineered for critical safety monitoring in Lennox gas furnaces and air handlers
the VT3222 is designed for hot and chilled water systems (up to 200°F with standard actuators)
ensuring the furnace ignition system operates at peak performance throughout demanding heating seasons
the DPDT (Double-Pole Double-Throw) configuration allows you to switch two separate 20-amp circuits simultaneously using a single control signal
Carrier 0170307H23 Circuit Board THPU32HP7Y The Lennox 49L92 Pressure SwitchThe Carrier 0170307H23 Circuit Board functions as a critical control interface for specific HVAC units, serving as the direct replacement for 0170307X23. As a factory authorized OEM HVAC control board, it maintains the precise voltage regulation and sequencing required by Carrier Corporations engineering standards. This Carrier replacement circuit board is engineered to manage logic cycles for blowers and combustion components, ensuring that timing