1. MEASURING THE INLET GAS PRESSURE
1.
Turn off the gas supply.
Loosen the screw from the gas inlet
2.
connector. Refer to right figure.
3.
Setting the manometer to zero, and then
connect the manometer to the pressure
port.
4.
Turn on the gas supply.
5.
Measure the gas pressure when
water heater is operating.
2. MEASURING THE MANIFOLDER GAS PRESSURE
Turn off the gas supply.
1.
2.
Loosen the screw from gas valve.
Refer to right figure.
3.
Setting the manometer to zero, and
then connect a manometer to the
pressure port.
4.
Turn on the gas supply.
5.
Measure the gas pressure when
water heater is operating.
REPLACEMENT
Measurement