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Version 1.0Aug 2018
Installation (Gas Supply Lines)
Install a service valve to the gas inlet of the appliance – see Figure 15.
Using proper size piping, fittings, and components to connect the gas line to the water heater. It is recommended
that a sediment trap be fitted at the lowest point in the gas supply line – see Figure 16.
The gas operating limit must NOT exceed 5.0kPa for Natural Gas (NG) or 7.0kPa LP gas. For input adjustment,
minimum gas inlet pressure (with main burner on) is stated on the water heater data label. Contact your gas supplier
for correction if gas pressure is out of the normal range.
Figure 15
Figure 16
