Installation manual

22
CONDENSATE - DRAIN PIPING
D. CONDENSATE DRAIN PIPING
The condensate trap is built into the boiler, an
external trap is not required and should NOT be
used.
P
rovide 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.
T
he 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.
SUPPLY AND RETURN LINES
Figure #8