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10. Pipe Connections
The Riva boiler is supplied with a 3/4” stainless steel gas pipe (A in figure 10.1), 2 - 3/4”
copper pipe (C,D in figure 10.1), located in a plastic bag in the boiler package.
A
B
C
D
E
Figure 10.1
A)
Stainless steel gas
pipe
B) Main circuit drain
cock
C) C.h. return copper
pipe
D) C.h. supply copper
pipe
E) C.h. PRV discharge
copper pipe
Installation:
• Remove the
protective caps off
boiler connections
(Figure 10.1).
• Thoroughly clean the
connections.
• Attach the supplied
components to the
boiler connections
(see Figures 10.1).
Be sure to
use the proper
gaskets for the pipe
connections.
• Before connecting the
boiler to the heating
system piping, review
the suggested piping
diagrams in Section 4
(page 12).
• If the c.h. system is
above the boiler level,
it is advisable to
install c.h. cocks
close to the boiler for
servicing operation
RIVA HEAT ONLY MANUAL - REV A
21