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Attempting to install it in a system designed for a multi-speed or ECM inducer will cause control board errors and safety switch failures
For 208-230V operation
rated for high-demand heating system repair applications
Common indicators include visible cracks in the plastic housing
Siemens Building Technology QFA3160 Sensor 318518-761 Attempting to install it inThe Siemens QFA3160 is a high precision room humidity and temperature sensor engineered for critical HVAC applications requiring rapid response times and long term stability. This wall mount RH sensor utilizes a capacitive sensing element to provide a 2% accuracy rating across a full 0 100% relative humidity range. Designed for seamless integration with building automation systems, it features simultaneous 0 10Vdc output signals for both humidity and
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