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Does this board require field programming after installation
making it a critical component for liquid line drying in large-scale installations
Key Benefits OEM Compatibility: Exact fit for 1
simplifying service calls by identifying flame signal or limit switch issues
Lennox 51M87 Pressure Switch 326058-757 Does this board require fieldThe Lennox 51M87 is a precision engineered furnace pressure switch designed for critical venting safety within Lennox HVAC systems. This 1. 6" WC SPDT N. O. pressure switch functions as a fail safe, ensuring the inducer motor is generating adequate static pressure before allowing the ignition sequence to proceed. The 51M8701 is the identical direct replacement, maintaining the exact factory set point of 1. 60 inches of water column. As a Single Pole