The Vaillant 0020148022 Temperature Sensor is a genuine replacement sensing component designed to monitor water or air temperatures within your boiler’s control system. By providing accurate temperature feedback to the boiler’s control board, it helps regulate burner operation, pump activation, heat exchanger protection and safety shut-downs. A correctly functioning temperature sensor is essential for efficient fuel use, stable heat delivery and reliable system response; a faulty sensor can lead to incorrect temperature readings, poor performance, frequent cycling or boiler lockouts.

This temperature sensor is compatible with a range of Vaillant boilers and heating appliances that reference part number 0020148022 in their technical documentation. To ensure correct fitment and reliable operation, always verify the part number on your existing sensor or consult your boiler’s service information before installation, as sensor positions and calibrations can vary between models.

Supplied ready for direct replacement, the 0020148022 Temperature Sensor connects to the boiler’s existing wiring harness and mounting point without modification when installed by a qualified engineer. Choosing this genuine Vaillant component helps restore accurate temperature monitoring, supports efficient control responses and contributes to dependable heating performance in compatible boilers.