MX Pool and Spa Heater Page 17
GAS PIPE SIZING TABLES
1.13 kPa gas meter pressure
VICTORIA
Maximum run of copper pipe with average number of fittings
Model 20 mm 25 mm 32 mm 40 mm 50 mm
MX 125 4 m 25 m 90 m 260 m 320 m
MX 150 2 m 14 m 50 m 140 m 320m
MX 200 2 m 8 m 30 m 75 m 320 m
MX 250 - 6 m 18 m 45 m 220 m
MX 300 - 4 m 14 m 35 m 140 m
MX 400 - 3 m 8 m 20 m 90 m
MX 500 - 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
MX 125 18 m 85 m 300 m 320 m -
MX 150 10 m 45 m 160 m 320 m -
MX 200 6 m 25 m 90 m 240 m 320 m
MX 250 4 m 18 m 60 m 160 m 320 m
MX 300 3 m 14 m 45 m 110 m 320 m
MX 400 2 m 8 m 25 m 70 m 300 m
MX 500 - 6 m 18 m 45 m 200 m
2.75 kPa gas meter pressure
N.S.W. some areas
Maximum run of copper pipe with average number of fittings
Model 15 mm 20 mm 25 mm 32 mm
MX 125 12 m 100 m 320+m -
MX 150 8 m 65 m 260 m 320+m
MX 200 4 m 40 m 160 m 320+ m
MX 250 3 m 25 m 100 m 320+ m
MX 300 2 m 20 m 85 m 280 m
MX 400 - 12 m 50 m 160 m
MX 500 - 8 m 35 m 100 m
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