By integrating this Lennox 21Z09 into your preventive maintenance or repair workflow

allowing for easy maintenance without breaking into the piping system

ensuring the shaft is centered for optimal airflow and reduced amp draw

Featuring a 30 cubic inch 80% molecular sieve and 20% activated alumina desiccant blend

By replacing a damaged or warped panel with this OEM furnace part

Trane SEN02528 Flame Sensor 318423-701 By integrating this Lennox 21Z09For veteran technicians servicing high efficiency systems, the Trane SEN02528 Flame Sensor is a critical OEM component designed for precise flame rectification. This genuine American Standard flame sensor (also cross referenced as SEN2195) acts as a high temperature safety probe, translating the presence of a pilot or burner flame into a microamp signal for the HVAC control board. Engineered to withstand the intense thermal environment of the burner