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For technicians dealing with air conditioner not turning on symptoms
Always reference the orifice stamping to ensure it matches your specific boiler model and BTU rating
Engineering precision ensures seamless HVAC part replacement
Does this thermostat require a common wire
Siemens Building Technology 535-741-4 Sensor 318172-701 For technicians dealing with airThe Siemens Building Technology 535 741 4 Sensor is a professional grade duct temperature sensor designed for integration into commercial and industrial HVAC control systems. Utilizing a high precision 100k Ohm thermistor (NTC Type II), this unit provides an accurate resistance based output signal to track air temperature fluctuations within air handling units or supply return ductwork. The 4 inch rigid probe is constructed from durable materials to