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General Cleaning Instructions:
1. NEVER clean any electrical unit by immersing it in water. Turn off before surface cleaning.
2. Always clean equipment thoroughly before first use. Clean unit daily. Use warm, soapy water
(except where noted on charts). Mild cleansers and PLASTIC scouring pads may be used to
remove baked-on food and water scale.
3. Turn off electrical units before cleaning or servicing. All service should be performed by an APW
Wyott authorized service agency.
General Troubleshooting:
1. Is the unit connected to a live power source?
2. Check circuit breaker.
3. Is power switch on & pilot light glowing?
4. Check rating label. Are you operating unit on proper voltage?
SPECIFICATIONS
Description Outside Dimensions Inside Dimensions Cut-Out Shipping
(Model #) Weight L W H L W H D W
FullSize 23” 15” 7 3/4” 9 7/8” 11 7/8” 6 1/4” 21 3/4” 13 3/4” 25 lbs
(HFW-1) (54.4) (38.1) (19.7) (50.5) (30.2) (15.9) (55.2) (34.9) (11.4 kg)
2/3 Size 16” 15” 7 3/4” 13” 11 7/8” 6 1/4” 14 5/8” 13 3/4” 22 lbs
(HFW-23) (40.6) (38.1) (19.7) (33) (30.2) (15.9) (37.1) (34.9) (10 kg)
1/2 Size 12 ½” 15” 7 3/4” 9 1/2” 11 7/8” 6 1/4” 11 1/2” 13 3/4” 22 lbs
(HFW-12) (30.5) (38.1) (19.7) (24.1) (30.2) (15.9) (29.2) (34.9) (10 kg)
2
NOTE: Top Flange 1 9/16” (3.9cm) all 4 sides, 4 corners 1” (2.5 cm) radius. Standard thermostat has 36”
(91.4 cm) capillary effective length 26” (66 cm).
CONTROL SIZE: 5 5/16” W x 6 7/16” H (13.5 x 13.8)
CONTROL CUTOUT: 5 3/4” W x 6 1/4” H (14.6 x 15.8)
15”
Outside
Length = O
11 7/8”
(30.2)
Inside
Length = I
DRAIN
(OPTIONAL)
0 = 23” (HFW-1)
16” (HFW-23)
12 1/2” (HFW-12)
I = 19 7/8” (HFW-1)
13” (HFW-23)
9 1/2” (HFW-12)
7 3/4”
(19.7 cm)
8 1/4”
(15.9 cm)
Recessed Bezel Cut-Out
6 1/4”
(15.9)
5 3/4”
(14.6)
3/8” Dia.
(1.0)