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This model is rated for a 10A load at 240 VAC
a genuine OEM HVAC control switch engineered for precise negative pressure monitoring in high-efficiency furnaces and air handlers
Universal Compatibility: Engineered for steam boilers of any steaming capacity with high-pressure requirements
Built with a 24-gauge galvanized steel housing
When your system faces intermittent ignition lockouts or fails to sense a burner flame
Siemens Building Technology QAA2280.DWSC Sensor 326070-701 This model is rated forThe Siemens Building Technology QAA2280. DWSC is a high precision communicating room temperature sensor specifically engineered for seamless integration with Siemens Terminal Equipment Controllers (TEC). Designed for demanding building automation systems (BAS), this unit offers an accurate 10K ohm thermistor element with a measuring range of 32F to 122F (0C to 50C). The "DWSC" variant features a built in digital display for real time local temperature