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Pellet Fuel Information
GENERAL INFORMATION
The Whitfield Quest, with its UltraGrate burn system, has been designed to burn wood residue
pellets with up to 3% ash content. Only Pellet Fuel Institute (P.F.I.) approved fuels should be
used in this stove. Wood Pellets manufactured to the P.F.I. Certification Standards are available
in two grades: STANDARD and PREMIUM. The premium grade pellets have a lower ash con-
tent than the standard grade. The P.F.I. specification for standard and premium grade residential
pellet fuel follows:
CHLORIDES (Salt):
BULK DENSITY:
MOISTURE CONTENT: 8% maximum
ASH CONTENT:
FINES:
CLINKERING
Silica (or sand) in the fuel, along with other impurities, can cause clinkering. A clinker is a hard
mass of silica formed in the burning process. Clinkering is a function of the fuel (not the stove),
and adversely affects the performance of the stove by blocking off the air passages in the grate.
Even a P.F.I. approved pellet fuel may tend to clinker. A clinker can be removed from the burn
grate and placed in the ash pan with the use of the grate scraper/ash pan tool furnished with
your stove. See Routine Cleaning & Maintenance for more information.
ASH
The frequency of ash removal and other maintenance performed on the stove is directly propor-
tional to the ash content of the fuel and how frequently you use your Whitfield stove. Low ash
fuel may allow longer intervals between cleaning, however, a stove burning high ash fuel may
need to be cleaned everyday.
PLEASE NOTE: Pyro Industries, Inc., has no control over the manufacturing of pellet fuel and
will not be held responsible for poor stove performance or any damage caused by inferior pellet
fuels.
Less than 300 p.p.m.
40 lb./ cu. ft. minimum
3% maximum(Standard Grade)
1% maximum (Premium Grade)
0.5% maximum through a 1/8" screen
5
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