Siemens Building Technology QFM2171 326058-756 this SPST (Single Pole Single

this SPST (Single Pole Single Throw) switch ensures the blower motor is moving sufficient air for combustion before allowing the ignition sequence to proceed

the R104054-01 serves as the direct replacement for R47469-001

Industrial Durability: Constructed from high-quality galvanized steel to resist corrosion and withstand high flue gas temperatures

Can this module replace the older Kriwan INT69TM protectors

Precise Monitoring: Built-in 2-10Vdc feedback and two SPDT auxiliary switches provide superior system status oversight

Siemens Building Technology QFM2171 326058-756 this SPST (Single Pole SingleThe Siemens Building Technology QFM2171 is a high performance duct relative humidity and temperature sensor designed for integration into commercial HVAC systems. This Q Series duct sensor utilizes a 4 20mA output signal for both RH and temperature, providing stable and precise data transmission even over long wire runs. Engineered for 5% accuracy, the QFM2171 is ideal for BAS (Building Automation Systems) that require reliable monitoring of supply,