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CONDITION 4 - BOILER AND CONDENSATE WATER LEAKS
• WATER IN BASE PAN (AM-100 & -150)
POSSIBLE CAUSE
VERIFICATION
SOLUTION
Condensate Drain Fitting
Check for moisture at bottom side
If wet, remove tubing and fitting.
and Tubing
of fitting and tubing.
Inspect and repair or replace as
required.
Exhaust Vent Adapter
Check bottom of adapter connection
If wet at adapter to chamber
to Exhaust Cushion Chamber (ECC)
connection, cut the exhaust line at
for wetness. If wet, check exhaust
least 2" from adapter. Unscrew
chamber wall around adapter for
adapter from chamber. Check (a)
cracks. Also check vent line
adapter for cracks and leaks - replace
connection joint for wetness.
if necessary. If socket to chamber
joint is source of leak, replace
NOTE: Do not over-tighten threaded
chamber see “Procedures” section .
plastic piping.
If threaded connections for leak is
source, clean or replace adapter,
pipe dope threads and reassemble.
Reconnect exhaust to boiler.
Drain Valve
Remove ASME cover plate and
Tighten or replace as required.
inspect drain valve and bushing
attachment for wetness.
Pipe Connections
Check supply/return water
Tighten or replace as necessary.
connections to boiler.
“O” Ring - ECC
Remove lower jacket panel. Check
If leaking, disconnect the exhaust
at assembly of boiler to exhaust
chamber and replace the “O”-ring
chamber for signs of leakage.
See “Servicing” instructions.
Cracked Exhaust Chamber
With the jacket removed, check the
If wall is cracked and shows signs
wall of the exhaust chamber for
of leaking - replace chamber - see
cracks.
“Servicing” instructions.
• WATER ON FLOOR IN FRONT OF BOILER (AM-300 ONLY)
• REMOVE LOWER FRONT JACKET PANEL AND CHECK:
POSSIBLE CAUSE
VERIFICATION
SOLUTION
Drain Plug (on bottom head
Check for loose drain plug.
Tighten, or replace drain plug.
of heat exchanger)
Drain Valve (at bottom left
Check drain valve and bushing
Tighten or replace as required.
front plate)
connections for signs of leakage.
Dresser Elbow Seals
Check for leak at nuts on 90
°
Dresser
Tighten nut. If still leaking replace
elbow.
both seals and nipple following
instructions packaged with
replacement.
Nipple (at threaded fitting
Check nipple at attachement to
Tighten, or replace nipple.
on bottom head)
boiler.
