Viron Pool and Spa Heater
Page 16
GAS PIPE SIZING TABLES
1.13 kPa gas meter pressure
Some areas of VICTORIA
Maximum run of copper pipe with average number of fittings
Model
20 mm
25 mm
32 mm
40 mm
50 mm
VIRON 250
2 m
8 m
30 m
75 m
320 m
VIRON 350
-
4 m
14 m
35 m
140 m
VIRON 450
-
3 m
8 m
20 m
90 m
VIRON 550
-
1
6 m
14 m
60 m
1.25 kPa gas meter pressure
S.A., W.A., some areas N.S.W.
Maximum run of copper pipe with average number of fittings
Model
20 mm
25 mm
32 mm
40 mm
50 mm
VIRON 250
6 m
25 m
90 m
240 m
320 m
VIRON 350
3 m
14 m
45 m
110 m
320 m
VIRON 450
2 m
8 m
25 m
70 m
300 m
VIRON 550
-
6 m
18 m
45 m
200 m
2.75 kPa gas meter pressure
N.S.W. some areas, Victoria some areas, Qld some areas
Maximum run of copper pipe with average number of fittings
Model
15 mm
20 mm
25 mm
32 mm
VIRON 250
4 m
40 m
160 m
320+ m
VIRON 350
2 m
20 m
85 m
280 m
VIRON 450
-
12 m
50 m
160 m
VIRON 550
-
8 m
35 m
100 m
Gas Pipe Sizing Tables are indicative only. All pipe sizing should be calculated by an authorised
person.
