Revised: 23/08/2012
Printed
16
Printed: 20/03/2013
HERMITAGE GAS VALVE
SIT 843
“
A
” represents the low gas adjustment. Turn the screw clockwise to increase gas pressure.
“
B
” represents the high gas adjustment. Turn the nut clockwise to increase gas pressure.
Natural Gas
Burner test point pressure – HIGH
0.9 kPa
, LOW
0.48 kPa
Primary air shutter adjustment –
fully open (Freestander)
fully open (Inbuilt)
Natural gas injector orifice –
2.8mm diameter
LPG Gas
Burner test point pressure HIGH
2.75 kPa
, LOW
1.30 kPa
Primary air shutter adjustment –
fully open (Freestander)
fully open (Inbuilt)
Propane gas injector orifice –
1.6 mm diameter
A
B
