13
fig. 2 Gas Valve
BURNER
3
The gas coming from the gas valve is fired in the burner. 13 blade burners are used in 24 kW boilers
while 15 blade burners are used in 28 kW boilers. Some of the common specifications of these two
burners are shown in the table below.
Table 6 Burner
Injector (nozzle) diameter for natural gas
∅ 1,25 mm
Injector (nozzle) diameter for LPG
∅ 0,75 mm
Gas inlet connection G ¾” (External thread)
fig. 3 Burner
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