Pay in 4 interest-free payments of $25.46 Learn more
Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
For technicians servicing Williams Direct Vent Furnaces or Williams Floor Furnaces
the MP843D001 integrates seamlessly into existing pneumatic loops
Is an upstream regulator required
ensuring your client's blower motor operates within designed parameters
Lennox 51M87 Pressure Switch 320734-701 For technicians servicing Williams DirectThe Lennox 51M87 is a precision engineered furnace pressure switch designed for critical venting safety within Lennox HVAC systems. This 1. 6" WC SPDT N. O. pressure switch functions as a fail safe, ensuring the inducer motor is generating adequate static pressure before allowing the ignition sequence to proceed. The 51M8701 is the identical direct replacement, maintaining the exact factory set point of 1. 60 inches of water column. As a Single Pole
US$ 1087.50
US$ 1987.50