1
4
2
3
WaterMaster® 70-85 - Top view
WaterMaster® 120 - Top view
15
16
4
18
WATERMASTER® OVERVIEW
1. ACVMax Control panel
2.
NTC sensor (primary circuit)
3.
High efficiency circulator pump
4.
Condensate recovery dish
5. Electrical panel (with spare fuses at the back)
6.
DHW tank dry well (Dip tube with tempera-
ture sensor)
7. Automatic air vent
8.
Gas pressure sensor
9. NTC1 sensor (Primary circuit supply)
10. Gas valve
11. DHW safety valve
/ (T & P relief valve - UK only)
12. Modulating air/gas premix burner with fan
13. Concentric flue gas/air inlet box
14. Air inlet
15. “Tank-in-Tank” hot water production tank
16. Flue gas exhaust tube
17. Indirect water pre-heater
18. Pressure sensor
17
5
6
7
8
14
9
10
11
13
12
6
7
8
9
10
11
12
14
13
WaterMaster 25 - 35 - 45 - 70 - 85 - 120 : A1006482 - 664Y7300 • D
en
14
EN
FR
NL
ES
IT
DE
PL
RU
APPLIANCE DESCRIPTION