7
COLD WATER CONNECTION
STOP TAPS OR COMBINATION STOP TAPS AND
NON-RETURN VALVES ARE NOT TO BE USED!
1.8 COLD WATER SUPPLY TO WATER HEATER
Refer to the Technical Sheet for the position of connections. Minimum of 13mm for
model GK1620/GK2020 and 18mm for model GK2620 copper tube should be
connected to the appliance. The WATER INLET connections are 13mm BSP for
model GK1620/2020 and 18mm BSP for model GK2620 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 VOIDED.
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.
