Siemens Building Technology QFA32SS.FWNN Sensor 319848-301 offering superior air-handling capabilities and

offering superior air-handling capabilities and stable pressure discharge even in cold-start conditions

As a single-try ignition control

ensuring the branch circuit meets NEC requirements for HVAC electric heater kits

Ensure the set screw is tightened against the flat portion of the motor shaft to prevent slipping and ensure a positive mechanical connection

this control does not have an integrated gas shut-off and must be installed downstream from a dedicated gas valve

Siemens Building Technology QFA32SS.FWNN Sensor 319848-301 offering superior air-handling capabilities andThe Siemens Building Technology QFA32SS. FWNN Sensor is a high performance wall mounted unit engineered for precision environmental monitoring in demanding commercial HVACR applications. Designed for seamless integration with building automation systems, this room unit provides simultaneous measurement of relative humidity and temperature with a 2% accuracy rating. The hardware features a field selectable output architecture, allowing technicians to