Grant Spira Series - Page 29

29
2.4.3 Double Boiler with Central Hopper
Figure 2-3: Boiler and hopper dimensions and clearances – double boiler with central hopper
Front view
1232
697
Side view
1296
1565
1417
H
Rear
view
Flow
connection
Return
connection
Condensate
drain
Flow
connection
Return
connection
772 237
Drain
cock
Drain
cock
Hopper
wiring
centre
102 1231
177 1232
280 1232
719
771
237
Air vent
Air vent
Wash
system
Wash
system
Plan view
2801232
280
A
C
213
G
150400
B
B
D
EF
134
Spira wood pellet
boiler model
Dimensions
A B C D* E* F G* H
11-44 (5-18 and 6-26) with double hopper 1792 616 697 224 141 616 1160 1120
12-52 (2 x 6-26) with double hopper 1792 616 697 224 141 616 1160 1120
15-62 (6-26 and 9-36) with double hopper 1792 616 697 324 241 616 1260 1220
18-72 (2 x 9-36) with double hopper 1792 616 697 324 241 616 1260 1220
* If the measurement from the flue centre line to the rear wall is increased (shown as 134 in the plan view), then the dimensions D, E and G will have to be
increased by the same increment. All units in millimetres.