Part number 550-100-305/0916
14
AquaBalance
TM
W
ALL
M
OUNT
GAS
-
FIRED
WATER
BOILER
— C
OMBI
Boiler Manual
3. Loosen the bottom swivel nut of gas pipe and unscrew the
top swivel nut “A” Figure 13, Item 3 from the gas valve venturi
Figure 13, Item 6.
Figure 13
,OOSENlTTINGSOFGASPIPE#ONTROLMODULE
REMOVEDFORCLARITY
Figure 14
'ASVALVEVENTURIREPLACEMENTFORPROPANE
CONVERSION
4 Converting boiler to propane
continued
,%'%.$
for Figures 13, 14, 15. 16 and 17
1
Control panel (page 13)
2
Gas valve (page 14)
3
Gas pipe
4
Washer
5
Hex head screws
6
Gas valve venturi
7
“O” Ring
8
Blower
4. Remove three (3) Hex head screws holding the venturi,
Item 5 in place, remove venturi, replace with new propane
venturi from kit. Verify the venturi label information
matches the boiler size WMB-155C, (Propane venturi has
black label), ensure Item 7, venturi “O” ring is in place (see
Figure 15), re-insert three (3) Hex head screws to hold new
venturi, tighten to hold securely in place.
5. Reassemble gas pipe and new washer to the venturi fitting,
re-connect nut “A” and gas pipe “Item 3” to venturi and
check the seal of the connection.
Figure 15
)NSUREh/vRINGISINPLACE
Figure 16
.EW
,0VENTURIINSTALLEDTOBLOWER
A
3
6
2
7
4
3
5
8
A
6
3
4
5
