Lennox 59W74 Pressure Switch 324846-701 Its robust construction resists corrosion

Its robust construction resists corrosion common in pool equipment pads

Proper installation ensures consistent microamp signals to the integrated furnace control board

while the durable contact construction maintains circuit integrity over frequent cycles

and 0-125 PSI for light oil

when paired with the correct orifices

Lennox 59W74 Pressure Switch 324846-701 Its robust construction resists corrosionThe Lennox 59W74 Pressure Switch is a critical safety component engineered for precision monitoring of inducer motor performance and flue draft integrity. This OEM Lennox furnace pressure switch transitions at a fixed set point of . 80"wc, ensuring the combustion process only initiates when proper negative pressure is established. Featuring a Single Pole Single Throw (SPST) configuration and dual 1 4" barb connections, this switch provides a reliable