8
COLD WATER CONNECTION
STOP TAPS OR COMBINATION STOP TAPS AND
NON-RETURN VALVES ARE NOT TO BE USED!
1.9 COLD WATER SUPPLY TO WATER HEATER
Refer to the Technical Sheet for the position of connections. Minimum of R3/4 /20
copper tube should be connected to the appliance. The WATER INLET connection
is R3/4 /20 BSP and requires a union to allow for removal of the water heater. Pipe
sizing from the cold water supply should be sized according to local BY LAWS for
water supply.
ISOLATING GATE VALVE or BALL VALVE
A GATE VALVE or BALL VALVE must be used on the cold water inlet to the water
heater.
THIS REQUIREMENT IS AN AUSTRALIA WIDE REQUIREMENT UNDER THE
NATIONAL PLUMBING CODE.
IF THE ABOVE INSTRUCTION IS NOT CARRIED OUT ALL WARRANTIES ON
THE UNIT WILL BE INVOIDED.
N.B. NO PRESSURE REDUCTION VALVE IS
REQUIRED UNLESS THE INLET WATER
PRESSURE EXCEEDS 1400kPa AT ANY
TIME OF THE DAY. EG EARLY HOURS
OF THE MORNING.