Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Attach U Gauge to inlet pressure test point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow the boiler to fire for HW and observe the gauge does the inlet pressure remain above 18.5mb continuously as the appliance runs
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Isolate as per TOPs P4
and refit as necessary