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providing reliable boiler water level management and equipment protection
By replacing a worn or sluggish overload relay
Replacing a corroded or warped burner is critical for maintaining fuel-to-air ratios and preventing premature heat exchanger failure
the module typically initiates an automatic one-hour reset or a manual reset depending on the specific system configuration and lockout state
Precise Signal Conversion: Ramps DDC inputs to a stable 0 to 135 ohm resistance network with 32-step resolution
Siemens Building Technology QFM2171 323080-701 providing reliable boiler water levelThe 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,