Reliable i800 Series - Manual (Page 12)

09
WATER LEVEL PROBE cLEANING PROcEduRE
We recommend you clean the water level probe once a month. This cleaning
operation must be carried out ONLY by authorized personnel. Please follow the
cleaning instructions as indicated below:
1. REMOVE THE COVER OF THE LEVEL PROBE
2. REMOVE THE CONNECTION PLUG
3. UNSCREW THE LEVEL PROBE WITH
A TUBE SPANNER DIAM. 18MM
4. TAKE OUT THE LEVEL PROBE