June 17, 2019
7058-803B
20
ECO CHOICE PELLET
10
Firebox Vacuum & Vacuum Switch
TECH TIP:
Low vacuum can be the result of a leaking
door gasket, fire pot not closing all of the way,
dirty heat exchanger, or plugged vent system.
Always make sure the unit is clean before
making any repairs.
TURN ON THE
EXHAUST BLOWER
SYSTEM IS
REPAIRED
DOES THE VACUUM
SWITCH TOGGLE
FROM OPEN TO
CLOSED?
BAD
GOOD
CHECK WIRE
CONNECTIONS &
VACUUM HOSE.
NO
DID THE
FIREBOX
VACUUM REACH
.2 INCHES OF
WATER COLUMN
OR HIGHER?
YES
NO
YES
CHECK DOOR
GASKETS, CLEAN
HEAT EXCHANGER &
COMPLETE EXHAUST
SYSTEM.
REPAIR WIRES OR
REPLACE THE WIRE
HARNESS
REPLACE THE
VACUUM SWITCH