Forcing a fit or using an adapter can cause dangerous imbalances

the actuator electronics are designed for standard industrial control ranges

Technicians should monitor the DC voltage signal from the furnace control board and use a manometer at the 1/8" NPT pressure tap to verify manifold pressure fluctuations during high and low-fire stages

Enhanced Safety Logic: Enables the quick integration of an external high-limit ECO to monitor plenum temperatures and initiate safety shutdowns

Durable Construction: Heavy-duty housing and balanced impeller wheels minimize vibration and extend the service life of the fan assembly

Siemens Building Technology QFA3100 Sensor THPU32HP7Y Forcing a fit or usingThe Siemens Building Technology QFA3100 is an industry standard room humidity sensor designed for demanding HVAC applications requiring precise monitoring and long term stability. This unit features a 0 10Vdc output signal and covers the full 0 100% relative humidity range with a high 2% measurement accuracy, making it a reliable choice for critical environments such as laboratories, hospitals, and pharmaceutical facilities. As part of the Siemens