Always handle the silicon element by the ceramic base

Replacing a faulty refrigerant low pressure cutout with this genuine Trane replacement part preserves the engineered safety limits of the equipment

it effectively manages airflow across both heating stages to prevent pressure switch trips and combustion instability

and 881 models

monthly cleaning is recommended to prevent static pressure spikes

Siemens Building Technology QAA22SS.FWSN Stat 318172-701 Always handle the silicon elementThe Siemens QAA22SS. FWSN is a high precision room temperature sensor engineered for seamless integration into Building Automation Systems (BAS). This full featured HMI unit provides technicians with a versatile selectable output signal (0 10V, 0 5V, or 4 20mA), making it compatible with a wide range of HVAC controllers and Terminal Equipment Controllers (TECs). Designed for accuracy, the sensor offers a measurement range of 32F to 122F with a