This product is the Lennox 10W59 blower and motor assembly

It is highly versatile

Internal Isolation: The spring chamber is separated from the media

For technicians performing a York pressure switch replacement

Laars Heating Systems E0253900 Thermistor Probe 319852-301 This product is the LennoxThe Laars Heating Systems E0253900 Thermistor Probe is a precision engineered temperature sensor designed for high performance integration within commercial boilers and volume water heaters. This OEM thermistor utilizes an NTC (Negative Temperature Coefficient) semiconductor element to provide real time thermal monitoring, ensuring the control board can accurately modulate burner firing rates and maintain setpoint stability. Built for compatibility