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The Hep2O®
pipe should be fed into position at the same time as the conduit system
is installed i.e. before screeding. The conduit system should not
be installed on sub-floors a long time in advance of screeding as
damage by site traffic could occur.
The junction box is designed to gain access to pipe fittings, and
to allow pipe cross-overs (which are normally undesirable within the
floor screed material). Dimensions are shown in Figure No. 34.
If required the junction box can be cut in half and installed up against
a wall (Figure No. 35).
The junction box should be drilled using a hole cutter or spade bit,
to allow the conduit to fit snugly and click into position to protrude
not less than 5mm inside the box. The correct drill size is shown
in Table No. 7.
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| Note:
Central heating pipework should not be run within the same junction
box as cold water pipework unless there is sufficient space
to fix adequate thermal insulation, in order to prevent the
warming of cold water. Figure No. 34 Junction Box Dimensions
Figure No. 35 Cut Junction Box
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| Figure
No. 34.
Junction Box Dimensions |
Figure
No. 35.
Cut Junction Box |
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N.B:
1. All dimensions are nominal.
2. Lid recess is designed for 8mm thick plywood. |
