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CONNECTIONS – PLUMBING
All plumbing work must be carried out by a qualified person and in accordance
with the Standard AS/NZS 3500.4 and all local codes and regulatory authority
requirements. In New Zealand the installation must also conform with the New
Zealand Building Code.
CONNECTION SIZES
Hot water connection:
Cold water connection:
Relief valve connection:
WATER INLET AND OUTLET
All pipe work must be cleared of foreign matter before connection and purged
before attempting to operate the water heater. All olive compression fittings
must use brass or copper olives. Use thread sealing tape or approved thread
sealant on all fittings.
An isolation valve and non-return
valve must be installed on the cold
water line to the water heater. An
acceptable arrangement is shown in
the diagram. Refer also to
Water Delivery"
on page 22 and to
"Mains Water Supply"
A disconnection union must always
be provided at the cold water inlet
and hot water outlet on the water
heater to allow for disconnection of
the water heater.
Stellar stainless steel electric models have dual handed cold water
connections. The cold water connection can be made to either side of the water
heater.
The water heater has a plastic dip
tube
in
the
inlet
diagram). This must be in place for
the
water
heater
properly. Do not remove or damage
them by using heat nearby. it will be
pushed into the correct position as
the fitting is screwed in.
"Hot
on page 21.
fittings
(see
to
function
27
Rp 3/4
Rp 3/4
Rp 1/2
cold water connection
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