Dux Endurance Six 26XL Installer's Manual - Page 5

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Step 7

Gas Connection

• Fit a union to the water heater gas

inlet for easy connection and removal.

The thread diameter is R¾/20.

• Fit an AGA approved isolating gas

cock in the supply line adjacent to

the water heater gas connection.

• Ensure that the supply pipe and

the gas pressure regulator (LPG

or Natural Gas) has sufficient flow

capacity for this and other appliances

connected to the fitting line. Refer to

AG 601 for size of pipe.

• For LPG appliances, ensure that

gas cylinders are of sufficient size.

The water heater alone will require a

regulator of 4kg per hour capacity.

• Before connecting the appliance to

the gas service, purge any debris or

air from the gas service. Venting of

purged gas shall be an area free of

sources of ignition.

Close the isolating gas cock prior to

connection of the appliance.

• After connection, check all joints for

leaks with an approved leak tester.

Refer to AG 601 Installations

Standard for pipe sizing details. For

your assistance, we have included

the pipe sizing from AG 601 for

copper tube using Natural Gas in the

table in the margin.

Part No: IG090701

Version: B

Installer's Guide – Endurance six™

Installation Guide

Nominal Pipe

Straight Length

Size in mm

Of Pipe Metres

Note: The Endurance six requires 199 MJ/h for the

customer to get the full performance benefit.

Gas

Valve

Hourly Rate

in MJ/h

43.0

82.2

142.0

313.0