Saunier Duval Themaclassic F24E PLUS Instructions For Use Installation And Servicing page 34

To Drain the Domestic hot water circuit
• Close boiler isolating valve (b).
• Turn on one or more hot water taps.
To Drain the boiler
• Close isolating isolating valves (a) and (c).
• Open the boiler drain valve (f).
(b)
(a)
COLD WATER
HEATING
INLET
RETURN
Note: Isolating cocks water and gas are shown in the: OFF position
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17 Routine Cleaning and Inspection
(f)
BOILER
DRAIN VALVE
Diagram 17.3
(c)
HEATING
DOMESTIC HOT
FLOW
WATER OUTLET
34
(d)
(e)
GAS SERVICE
COCK
Diagram 17.1
F30E shown Diagram 17.4