Verona WALL HUNG GAS BOILER - Manual (Page 11)

3. Parts List
Primary Components
:
2
4
3
7
5
8
9
6
10
12
16
14
11
15
18
19
13
20
26
1
1 Pump
2 Pump vent plug
3 Automatic air purger valve
4 Modulation gas valve
5 Flame-detecting electrode
6 Ignition electrodes
7 Burner
8 Combustion chamber
9 Primary heat exchanger
10 Fan
11 Air pressure switch
12 Air switch pres. Test points
13 Safety thermostat
14 Modulation operator
15 Gas valve outlet pres. Test point
16 Gas valve inlet pres. Test point
17 Central heating expansion vessel
18 Central heating temp. Probe NTC
19 Central heating pressure relief valve
20 Primary circuit flow switch
21 Main circuit drain cock
22 By-pass valve
23 Venturi device
24 Flue outlet pipe
25 Air Intake Pipe
26 Control panel
27 Safety thermostat probe
28 Pressure reducing automatic fill valve
29 Backflow preventer
30 Gas supply line cock
31 Water supply inlet cock
RIVA HEAT ONLY MANUAL - REV A 11