Installation
102
Burner and nozzle specifications tables
1 Natural gas G20
AUX
SR
R
UR2
Rated heating capacity (kW)
1.0
1.8
2.9
4.2
Nozzle diameter (1/100 mm)
72
97
115
145
Pre-chamber (printed on nozzle)
(X)
(Z)
(Y)
(F3)
Reduced flow rate (W)
400
500
800
1200
2 Natural gas G25
AUX
SR
R
UR2
Rated heating capacity (kW)
1.0
1.8
2.9
4.2
Nozzle diameter (1/100 mm)
72
94
121
143
Pre-chamber (printed on nozzle)
(F1)
(Y)
(F2)
(F2)
Reduced flow rate (W)
400
500
800
1200
3 Natural gas G25
AUX
SR
R
UR2
Rated heating capacity (kW)
1.0
1.8
2.9
3.9
Nozzle diameter (1/100 mm)
77
100
134
165
Pre-chamber (printed on nozzle)
(F1)
(Y)
(F3)
(H3)
Reduced flow rate (W)
400
500
800
1200
4 Natural gas G2.350
AUX
SR
R
UR2
Rated heating capacity (kW)
1.0
1.75
2.9
3.7
Nozzle diameter (1/100 mm)
94
120
165
190
Pre-chamber (printed on nozzle)
(Y)
(Y)
(F3)
(F3)
Reduced flow rate (W)
400
500
800
1200