3 x AAA battery powered 1-Wire DS18B20 digital temperature sensor is very accurate and consume very low power. Temperature sensors for hot water tank comes waterproof sensors casing to attach to hot water tank. PiHome hot water temperature sensors is pre-configured with ID 30. It is recommended not to change these ID numbers.
Domestic Hot water temperature sensor comes with 30-100cm cable and temperature sensors at the end of it for easy installation and more accurate readings from domestic hot water tank. You can mount temperature sensor on hot water tank and try to keep temperature sensor as close to water tank as possible but at same time keeping temperature sensor housing away from water tank to avoid heating the battery inside temperature sensor housing.
You may need to remove small amount of insulation on your domestic hot water tank for sensors to get in contact with tank wall.
What is Included in Package
- 1 x Fully built AAA Battery powered temperature sensor with 2.4GHz nRF24L01 radio module
- AAA Battery (Batteries not included)
- Compatible with MySensors 2.x Library
- 2.4GHz nRF24L01 Radio module