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using threaded fittings in accordance
with the UNI-ISO 7/1 standard. The
use of hemp with suitable adhesives
or Teflon tape as a sealant is allowed.
• copper pipe, in accordance with the
standard, whose joints must be made
using sealed fittings in accordance
with the standard.
• a flexible stainless steel, seamless pipe
in accordance with the standard, with
a maximum 2 metre extension and
seals in accordance with the standard.
• a flexible rubber hose in accordance
with the standard, with an 8 mm
diameter for LPG and 13 mm for
natural gas or town gas, maximum
1500 mm in length, firmly secured to
the hose fitting with a safety clamp as
per the standard.
If the gas is supplied directly from
a gas cylinder,
the appliance, fed by a
pressure regulator in accordance with the
standard, must be connected:
• with a copper pipe in accordance
with the standard, whose joints must
be made using sealed fittings in
accordance with the standard.
• with a flexible stainless steel, seamless
pipe in accordance with the standard,
with a maximum 2 metre extension
and seals in accordance with the
standard. We recommend applying
the special adapter to the flexible pipe,
easily found on the market, to facilitate
connection to the pressure regulator’s
hose fitting on the cylinder.
• with a flexible rubber hose in
accordance with the standard, with an
8 mm diameter, minimum 400 mm in
length, maximum 1500 mm in length,
firmly secured to the hose fitting with a
safety clamp as per the standard.
Attention!
If the appliance is going
to be recessed (class 2 subclass 1),
connect it to the gas supply source
using only flexible stainless steel,
seamless pipes in accordance with
the standard.
Attention!
If the appliance is going
to be installed free-standing (class
1) and if you use the flexible rubber
hose, it is necessary to follow the
instructions and figures given below
(fig. 20)
Attention!
On its route, the hose
must not touch any parts where the
temperature is more than 95°C.
Attention!
The hose must not be
subject to any kind of torsional
stress or tractive force, there must
be no pinched parts or really sharp
bends.
Attention!
It must not touch
anything that can cut, that has
sharp corners, etc.
Attention!
The whole length of
the hose must be easy to inspect
in order to keep a check on its
condition.
Attention!
It must be replaced
within the date printed on it.
HOT SURFACE
Connection point
Connection point
Hose assembly
Hose
assembly
Isolating tap
Isolating tap
Fig. 20
