McDonnell & Miller 354140 Replacement Probe Els PW 17895 The Lennox 98M74 Blower Wheel

The Lennox 98M74 Blower Wheel is a high-performance direct replacement for R02592A004

Common Questions Is this bracket required for all Modutrol IV installations

the Trane SWT2478 pressure switch prevents gas valve ignition if proper static pressure is not achieved

maintaining the integrity of the HVAC condensate system is paramount to preventing structural water damage and secondary microbial growth

McDonnell & Miller 354140 Replacement Probe Els PW 17895 The Lennox 98M74 Blower WheelThe McDonnell & Miller 354140 is a high precision PA 800 RX2 replacement probe engineered for field service reliability in low water cut off (LWCO) applications. Designed specifically for the PS 800 series and PS 850 series controls, this probe features a 1 2" NPT male threaded connection and a remote mount configuration for versatile installation in steam or hot water boilers. Built to withstand demanding boiler environments, it maintains high signal