6
7
8
9
10
11 12 13 14
85°C
100°C
SAFETY DEVICES
19
6 Litre expansion vessel
*The product expansion vessel is equal to 6 litres. The closed system
expansion vessel must be dimensioned between 4% and 6% of the total
volume of the plant therefore, the standard closed vessel may not be
su cient in cases of greater water volumes.
DUCHESSA IDRO SAFETY DEVICE IMAGES
3 bar
drain
valve
DOOR MICRO SWITCH REARM OF 85° AND 100° BULBS