NTI Trinity TX Series Installation And Operation Manual page 14

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General Venting
Figure 4-3(a) Near Boiler Venting (PVC)
Swing Joint
to attain slope in
horizontal runs
PVC Air-inlet Pipe*
PVC Exhaust Vent
PVC Coupling
CPVC Transition Pipe
**minimum 5" long
(factory supplied)
Flue Outlet Adapter
(factory supplied)
Air-inlet Adapter
(factory supplied)
**CPVC Transition Pipe
is mandatory when
venting with PVC
Figure 4-3(c) Near Boiler Venting (PP)
PP Elbow w.
offset angle to
account for slope
PP Air-inlet Pipe*
PP Exhaust Vent
Air-inlet Adapter
(factory supplied)
Flue Outlet Adapter
(factory supplied)

Air-inlet - check with applicable local codes for acceptable pipe material.
14
Figure 4-3(b) Near Boiler Venting (CPVC)
Swing Joint
to attain slope in
horizontal runs
PVC Air-inlet Pipe*
CPVC Exhaust Vent
Air-inlet Adapter
(factory supplied)
Flue Outlet Adapter
(factory supplied)
Figure 4-3(d) Near Boiler Venting (SS)
Swing Joint
to attain slope in
horizontal runs
SS Air-inlet Pipe*
SS Exhaust Vent
Air-inlet Adapter
(factory supplied)
Flue Outlet Adapter
(factory supplied)
Tx I&O Manual