HAMWORTHY HEATING LTD
35
SHAFTESBURY HE
500001049/N
Figure 16.3 Burner Clearances
Figure 16.2 Dimensions and Clearances
Note **
- this dimension is a minimum recommendation permitting access to the rear of the boiler for maintenance
(800mm for stacked boilers). It may not however be adequate for the installation of flue bends within the boiler
house. Where necessary, the dimension must be increased accordingly.
MODEL
C mm
Gas Firing
Oil Firing
Dual Fuel
RIELLO NUWAY RIELLO NUWAY RIELLO NUWAY
110
356
N/A
261
N/A
N/A
N/A
150
356
N/A
434
N/A
N/A
N/A
190
546
N/A
434
N/A
N/A
N/A
220
546
N/A
434
N/A
N/A
N/A
250
546
N/A
434
N/A
N/A
N/A
280
546
699
434
546
611
716
310
546
699
434
546
611
N/A
340
546
699
434
546
611
N/A
370
546
699
434
652
N/A
N/A
400
546
699
434
652
N/A
N/A
FLOW CONNECTION
4" NB FLANGE
RETURN CONNECTION
4" NB FLANGE
Model
HE110
HE150
HE190
HE220
HE250
HE280
HE310
HE340
HE370
HE400
Dim L
840
960
1080
1200
1320
1440
1560
1680
1800
1920
10
3
0
900
'C'
'L'
130
207
279.5
55
0
67
0
350
350
455
'C
'L'
500 **