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Lacquer sheets stacked — description and returns below the cascade board.
Automatic Reset Functionality: Automatically restores the circuit once temperatures drop below the 190°F differential
Confirm 24V at the control terminals
Enhanced Ignition Consistency: Minimizes ignition lag and prevents nuisance system shutdowns
Operating on 200-230V 3-phase power at 60Hz (200-220V/50Hz)
easy-to-maintain unit
Lennox 12L21 Pressure Switch 320788-702 Automatic Reset Functionality: Automatically restoresAs a seasoned technician, you know that safeguarding the compressor from low side pressure drops is critical for system longevity. The Lennox 12L21 Pressure Switch is an OEM low pressure safety switch meticulously calibrated to monitor refrigerant levels and prevent vacuum conditions or evaporator freeze ups. Designed for integration into Lennox HVAC systems, including high efficiency condensing units and heat pumps, this Normally Open (NO) switch