GENERAL SPECIFICATIONS
2.3
Natural Gas and Propane versions
Appliance
VBX30
VBX18
Total weight (full)
kg
38.1
32.6
Total weight (empty)
kg
36.1
31.3
Max lift weight
kg
28.1
24.7
Total water capacity
l
2.0
1.3
Electrical supply
230V 50Hz Fuse at 3A
Internal fuse
T4H 4A 250V
Maximum power consumption
W
47
30
IP Rating
IP20
Flue gas temperature Nat Gas 80/60 (Propane)
°C
73 (76)
74 (72)
Flue gas temperature Nat Gas 50/30
°C
41
43
CO
2
value max rate (Nat Gas)
%
9.2 ± 0.3 case on
9.0 ± 0.2 case off
CO
2
value min rate (Nat Gas) ref only
%
8.9 ± 0.1
8.4 ± 0.1
CO value max rate (Nat Gas)
%
0.01 ± 0.005
CO
2
value max rate (Propane)
%
10.7 ± 0.3 case on
10.5 ± 0.2 case off
CO
2
value min rate (Propane) ref only
%
10.0 ± 0.1
9.7 ± 0.1
CO value max rate (Propane)
%
0.019 ± 0.005
Flue products mass flow rate
g/s
13.7
8.3
Flue products mass flow rate (Propane)
g/s
13.7
8.3
Gas Valve Offset @ min rate
Pa
-3.0
3
Connections
Gas
15mm compression
CH Flow
22mm tail
CH Return
22mm tail
Condensate Drain
21.5 - 22mm plastic overflow pipe
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