8
TIPS FOR MAINTAINING THE BOILER AND CENTRAL HEATING SYSTEM
LTNLPER000034a
1,5 ... 2 bar
LT.AL.W7H.000.220
LTALW7H000220a
LT.NL.PER.000.033
LTNLPER000033a
3
4
5
LTNLPER000035a
LT.NL.PER.000.034 + LT.NL.PER.000.035
•
Check the water pressure of the central heating system
several times a year. If the water pressure is too low, top
up with water (see par. 5.2). The optimum pressure is
between 1.5 and 2 bar.
•
Check radiators for leaks and (particularly in damp
rooms) for rust. Treat patches of rust as early as possible.
•
Open and close radiator valves fully several times a year.
This ensures that valves continue to turn smoothly.
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