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9
Condensate disposal
Condensate drain
1. This boiler is a high efficiency appliance that produces
condensate.
2. The bottom of the boiler has a 3/4 inch pipe for connection
of a 3/4 inch PVC pipe (FIG. 9-1).
3. Slope condensate tubing down and away from the boiler
into a drain or condensate neutralizing filter. Condensate
from the Noble Fire Tube will be slightly acidic (typically
with a pH from 3 to 5). Install a neutralizing filter if
required by local codes.
A Neutralizer Kit is available from the factory.
4. Do not expose condensate line to freezing temperatures.
5. Use only plastic tubing or piping as a condensate drain
line (FIG. 9-1).
Figure 9-1 Condensate Disposal
Wall hung
Note: The Noble Combi condensate trap is factory installed whereas the Noble Boiler condensate trap
is factory supplied, but field installed.
58
6. A condensate removal pump is required if the boiler is
below the drain. When installing a condensate pump,
select one approved for use with condensing boilers and
furnaces. The pump should have an overflow switch to
prevent property damage from condensate spillage.
NOTICE
authority, PVC and CPVC pipe must comply with ASTM
D1785 or D2845. Cement and primer must comply with
ASME D2564 or F493. For Canada use CSA or ULC certified
PVC or CPVC pipe, fittings, and cement.
NOTICE
required and tubing size may need to increase to 1 inch.
The condensate line must remain unobstructed, allowing
free flow of condensate. If condensate is allowed to freeze
in the line or if the line is obstructed in any other manner,
condensate can exit from the boiler tee, resulting in potential
water damage to property.
CONDENSATE DRAIN CONNECTION -
ROUTE TO FLOOR DRAIN OR
NEUTRALIZING FILTER USING:
3/4" PVC PIPE & FITTINGS or
3/4" CPVC PIPE & FITTINGS
(FIELD SUPPLIED)
Installation & Service Manual
™
F I R E T U B E
Use materials approved by the authority
having jurisdiction. In the absence of other
To allow for proper drainage on large
horizontal runs, a second line vent may be
Floor standing
CONDENSATE TRAP
REMOVABLE CAP
FOR CLEANING TRAP
2000620200 00
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