Siemens Building Technology QFA2001 Sensor 323269-701 this valve provides self-acting flow

this valve provides self-acting flow regulation without the need for external power

Optimized Flow Dynamics: Maintains system efficiency by ensuring a full shift between cycles

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

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

Technicians should check for cracked bushings

Siemens Building Technology QFA2001 Sensor 323269-701 this valve provides self-acting flowThe 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