Williamson-Thermoflo SCH High Boy, Manual Manual, Page: 35 / 39

SCH & SCL
Oil Furnaces
– Furnace Manual
670-000-006-1007
12 Dimensions and ratings
(continued)
Figure 8 Model SCL-105 / 160 Rear dimensional data – ALL DIMENSIONS IN INCHES
DNS-1005 Rev. A
Flue pipe
Width Depth Height Width Depth Width Depth
dia.
A B C D E D F
SCL-105 21" 47" 32" 19 ¾" 19¾" 19¾" 17¾" 3"
SCL-160 25" 55" 40" 24" 23¾" 24" 21¾" 4"
Model
Furnace casing
Warm air supply Return air
(top) (top)
Blower Maximum
Beckett Riello
Overfire AFUE Blower Motor HP / Cooling
Burner Burner pressure %
Size Speed
at 0.25"WC at 0.50" WC Capacity
70 000 59 400 0.50-60W X 81.5 Low 850 700 3.0 tons
88 200 73 200 0.50-60W 0.50-60W 81.0 Med.- High 1 090 1 000 with high
105 000 88 200 0.60-60W X 81.0 Med.- High 1 090 1 000 blower
100 800 84 200 X 0.60-60W 80.3 Med. - High 1 090 1 000 speed
119 000 97 000 0.75-70B 0.75-70B 82.2 Med. - Low 1 360 1 350 5 tons
135 800 110 000 0.85-70B 0.85-70B 81.5 Med. - High 1 625 1 540 with high
159 600 127 000 1.00-70B 1.00-70B 80.3 Med. - High 1 625 1 540 blower speed
Blower speed
Blower CFM
with filter
Ratings & Performance Direct drive units
Model Input Output
Nozzle installed
Flue draft
1/3-4 speeds
SCL-160 +0.04 to +0.22 +0.10 to +0.25 12 x 10 3/4-4 speeds
SCL-105
+0.04 to +0.16 +0.10 to +0.25 10 x 10
Max. temp. rise Filter quantity Electrical load Min. ampacity Max. fuse size Shipping weight
(ºF)
and size (amps) for wire sizing (amps) (pounds)
SCL-105 52 - 75 (1) 20 x 20 12.2 13.7 15 207
SCL-160 50 - 80 (2) 16 x 24 15.7 18.1 20 271
115- 60 -1
Model Volt-Hertz-Phase
NOTICE: SCL furnaces are CSA design certified
for installation on combustible flooring.
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