Rinnai RCB Serie Manuel page 7

7. Take out the venturi from the unit with fan O-ring (Figure 6). Ensure that the fan O-ring is placed at a secured
location for reassembly.
Figure 6
Venturi Reassembly:
8. Before starting the reassembly of the new venturi,
ensure that the information on the label matches
the information listed in Table 2 on page 4.
•
Propane (LP): Ensure the label is black and it
DOES have an orifice on the gas inlet connection
(Figure 7).
•
Natural Gas (NG): Ensure the label is white and
it DOES NOT have the orifice on the gas inlet
connection (Figure 7).
Figure 8
Throttle
(with 4 screws)
Gas
Valve
O-Ring
Screws
Rinnai Commercial Boiler Conversion Manual
Fan O-ring
Gas Flex
Pipe
Gasket
LP Orifice
Figure 7
Propane (LP)
Orifice
Black Label
Fan
O-Ring
Venturi
Note: Refer to Figure 8 for
detailed view of components
involved in gas conversion.
Natural Gas (NG)
White Label
Fan
7