180-AF25 v1.11 per PE32 revs
March 15, 2021
Page 5
AF25
SPECIFICATIONS
This unit was tested and listed UL 1482, Ed 7 2011 and
ULC S628-93 (R2016) by PFS-TECO Laboratories.
This manual describes the installation and operation of the
Ashford AF25 catalytic equipped wood heater.
This heater is certified to comply with the 2020 U.S.
Environmental Protection Agency’s particulate emission
standards using crib wood.
Under specific test conditions this heater has been shown
to deliver heat at rates ranging from 10097 to 26290 Btu/hr.
This wood heater has a manufacturer-set minimum low burn rate that must not be altered. It is against federal
regulations to alter this setting or otherwise operate this wood heater in a manner inconsistent with operating
instructions in this manual.
This wood heater contains a catalytic combustor, which needs periodic inspection and replacement for proper
operation. It is against federal regulations to operate this wood heater in a manner inconsistent with operating
instructions in this manual, or if the catalytic element is deactivated or removed.
The combustor supplied with this heater is a 115-0335 or 115-0535 metal combustor. Consult the catalytic
combustor warranty also supplied with this wood heater. Warranty claims should be addressed to:
in Canada
in USA
Blaze King Industries / Valley Comfort Systems
Warranty Department, 1290 Commercial Way
Penticton, BC Canada V2A 3H5, Ph: 250-493-7444
Blaze King Industries
Warranty Department, 146A Street
Walla, Walla, Washington 99362, Ph: 509-522-2730
EMISSIONS
CO Average(%)
g/hr
Low Burn
0.05
0.31
Med-low Burn
0.18
0.33
Med-high Burn
0.12
1.48
High Burn
0.08
1.93
EPA emission rate weighted average
.90 g/hr
Model
Ashford 25 (AF25) (catalytic)
Height and width without shroud
24 3/8” x 35 3/8” (613 mm x 899 mm)
Width of firebox enclosure (behind shroud)
27 7/8” (708 mm)
Overall depth and height of firebox
18 3/8” x 21 5/8” (639 mm x 588 mm)v
Flue collar size and distance from shroud
back
6” I.D., 14 3/8” (366 mm)
Fire door opening
25 1/4” x 10 5/8” (642 mm x 270 mm)
Firebox depth
16 3/4” (426 mm) brick to brick, 18” (457 mm) brick to glass
Firebox width average
20 1/2” (521 mm)
Firebox height
10” (254 mm)
Fire box capacity
2.3 cu. ft.
Recommended Fuel length
16” max. (407 mm)
Wood capacity (approximate):
White oak - 53 lbs. (24.04 kg)
Fir - 35 lbs. (15.88 kg)
Construction
10 gauge & 1/4” firebox, refractory brick lined. Cast iron outer
shell.
Shipping Weight (Firebox only)
415 lbs. (189 kg)
Chimney recommendation (Minimum)
15’ from stove top to chimney cap: Insulated liner
recommended
Minimum fireplace opening
29”W x 22”H x 19D” (737 mm x 559 mm x 483 mm)