UTICA BOILERS UB100, Installation Manual

Page: 21 / 72

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D. Condensate Drain Piping
The condensate trap is built into the boiler, an external trap is
not required and should NOT be used.
Provide ½” PVC condensate drain and fittings. Condensate
drain to be pitched down to floor drain at a minimum of ¼”
per foot.
Install furnished ½” PVC tee to overflow fitting as shown in
Figure #8.
The ½” diameter schedule 40 PVC or CPVC condensate drain
and pipe fittings must conform to ANSI standards and ASTM
D 1785 or D2846. Schedule 40 PVC or CPVC cement and
primer must conform to ASTM D2564 or F493. In Canada,
use CSA or ULC certified schedule 40 PVC or CPVC drain
pipe cement.
A condensate pump with a reservoir (not furnished) may be
used to remove condensate to a drain line (sanitary line) above
boiler if a floor drain is not available or its in accessible.
Figure 8 - Condensate Drain Piping
NEAR BOILER PIPING