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The ATW 519 reliably detects whether a fireplace, solid fuel boiler, or heating appliance is in operation – and makes this information available to other control systems. Especially in so-called bivalent heating mode , where, for example, a solid fuel boiler is operated in addition to an oil or gas heating system, the temperature monitor offers an important safety function: It prevents both systems from operating simultaneously. It can also be used to safely shut down exhaust air systems if an open fire is burning in the room – to prevent dangerous negative pressure and the backflow of flue gases.
Bivalent heating mode : For example, locks the gas heating when the wood stove is running
Safe ventilation : Prevents cooker hoods or exhaust fans from operating when there is an open flame
Heating control : Uses the measured exhaust gas temperature, e.g. to switch on a storage charging pump
Fuel boiler burnout : safer thanks to the integrated control lamp
The ATW 519 flue gas temperature monitor is TÜV-tested according to DIN EN 14597 and approved for continuous use in heat-generating systems. The contact closes at a flue gas temperature of approximately 50 °C, thus providing a clear signal: the furnace is active. In practice, it switches on other components or transmits the status to ventilation or heating controls.
The robust design is maintenance-free and designed for high temperatures: The stainless steel sensor can withstand temperatures up to 500 °C , and the switch head and the pre-assembled 2 m long, temperature-resistant silicone cable can withstand temperatures up to 180 °C. The cable can be extended as required with a 2-wire cable outside of the hot area.
The sensor is attached directly to the flue pipe using the mounting flange, ideally at least 80 cm from the top edge of the stove . This distance ensures that the sensor measures a meaningful temperature—neither too hot nor too slow. Installation is straightforward, and its operation is consistently reliable.
Note: When installing the sensor, make sure that it is not bent or damaged.
WEEE No.: 91394868
| Schaltleistung | 16 (4) A 400 V, at cos <0 1 (0.6) |
| Schutzart | IP40 |
| Zul. Temperaturen | 0-500 °C medium temperature, max. 180 °C ambient temperature |
| Schaltpunkt | 50 °C, factory set |
| Schaltdifferenz | approx. 15 K |
| Schaltgenauigkeit | +/- 7K |
| Reaktionszeit | < 45 seconds response time |
| Abmessungen (H×B×T) | |
| Anschlussleitung | 2 m (4-wire) | Silicone | max. 180°C |
| TÜV-geprüft | according to DIN EN 14597, TÜV tested |
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