Service Manual

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L641 – O-rings in contact with water
HFt1 v5 – Gaskets in contact with gas
Figure 47 – Recommended Lubricants for Connections
Cleaning the Filter
For the cleaning of the filter, first loosen the nut (1), then remove the filter (2) that is fixed in the body
of the inlet water valve. Clean the filter with water and / or air pressure. Assembly is reverse of
disassembly.
Figure 48 – Water Filter Removal
Inspect and clean the heat exchanger when needed. To remove the heat exchanger, begin by turning
off the cold-water supply to the unit. Open the taps to release any remaining water pressure and
drain the appliance.
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