Siemens Building Technology QFA2001 Sensor 323269-701 This hot surface ignitor (HSI)

This hot surface ignitor (HSI) features an upgraded silicon carbide element designed to withstand the thermal stress of repeated ignition cycles in high-efficiency mobile home furnaces and standard residential air handlers

Built with a rugged forged brass body and NBR seals

but you should verify your specific bracket configuration against the original 1/5 HP motor housing before installation

9 Cv rating in a compact 1-1/2" frame allows for high-volume exchange in medium-sized commercial piping

Technicians should check for cracked bushings

Siemens Building Technology QFA2001 Sensor 323269-701 This hot surface ignitor (HSI)The Siemens Building Technology QFA2001 Sensor is a high performance room humidity sensor designed for demanding commercial HVACR control environments. This wall mounted humidity transmitter provides precise monitoring by converting measured relative humidity into a standard 4 20mA output signal, ensuring seamless integration with building automation systems (BAS). Built for reliability in indoor air quality monitoring, the unit features a 0 100% RH