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10.6 Making the Gas Connection
1. Connect the gas supply to the G½ (½in BSPT Internal) gas tap. This is located on the lower right side of the boiler, access by
hinging down the PCB housing (see Fig. 32).
10.7 Fitting The Flue
Before fitting the flue, check the condensate drain integrity (see section 10.5).
IMPORTANT: The flue should always be installed with at least
1.5° fall from terminal to elbow, to allow condensate to run
back to the boiler.
HORIZONTAL FLUE
1. The standard flue is suitable for lengths 270mm minimum to 800mm maximum (measured from the edge of the flue elbow outlet).
Rear Flue: maximum wall thickness 630mm
Side Flue: maximum wall thickness 565mm (left or right)
2. For rear exit measure the wall thickness (Fig. 26) and to this dimension add 181mm. This dimension to be known as (X).
Fig. 26
i.e.
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