Lennox 51M87 Pressure Switch 320734-701 eliminating the need for external

eliminating the need for external capillary routing

Common Questions How do I know if the ECO has tripped on my 100108951 thermostat

Includes mandatory conversion labels to meet local mechanical codes and inspection requirements

Key Benefits for Contractors Direct OEM Compatibility: Specifically engineered for York HVAC systems to ensure the correct microamp signal to the ignition control board

this board provides a reliable drop-in furnace circuit board solution that maintains the integrity of the original equipment manufacturer (OEM) sequence of operation

Lennox 51M87 Pressure Switch 320734-701 eliminating the need for externalThe 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