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DRAFT CONTROL
TYPE RC
Oil or Coal – Residential and Commercial
The Field RC is made of galvanized steel and furnished as standard equipment on many leading brands of oil or coal-fired
heating equipment. It is calibrated to allow for easy adjustment to the furnace or boiler manufacturer's specifications.
Designed for settings from .02" to .08", this control is so sensitive that instrumentation should be used when adjusting
the unit during installation.
MATERIAL GAUGES
SIZE
4"
5"
6"
RING
22
24
24
GATE
24
24
24
COLLAR
26
26
26
NOMINAL
CONTROL
MODEL
CAPACITY SQ.
SIZE
IN.
4" RC
4
12.6
5" RC/RCBT
5
19.6
6" RC/RCBT
6
28.3
7" RC
7
38.5
8" RC/RCBT
8
50.3
9" RC
9
63.6
*RCBT is recommended for wood and coal burning applications or anytime black pipe is preferred.
30
RC
7"
8"
9"
22
20
20
24
20
20
26
26
26
SPECIFICATIONS
RECOMMENDED PIPE SIZES (IN.)
DIA.
CIRCUM.
3-4-5
9
⁄
to 15
⁄
1
3
2
4
4-5-6
12
⁄
to 19
1
2
5-6-7
15
⁄
to 22
3
4
6-7-8
19 to 25
⁄
1
4
7-8-9
22 to 28
⁄
1
8
8-9-10
25
⁄
to 31
⁄
1
1
4
2
RCBT*
DIMENSIONS (INCHES)
A
B
C
D
E
4
2
⁄
2
2
⁄
4
⁄
1
5
9
2
16
5
2
⁄
2
2
⁄
5
⁄
1
5
9
2
16
6
1
⁄
3
2
6
7
5
8
7
2
⁄
3
⁄
2
⁄
7
5
1
1
5
8
2
2
8
4
⁄
4
3
⁄
8
3
3
1 1
8
8
9
5
⁄
4
⁄
3
⁄
9
1
1
3
1 1
8
2
4
Customer Service:
G
H
M
1
2
⁄
7
1
16
2
1
2
⁄
7
1
16
2
⁄
1
2
⁄
7
⁄
3
5
8
4
8
⁄
1
2
⁄
8
⁄
3
5
8
4
8
⁄
1
⁄
2
⁄
1 1
1
5
16
8
8
⁄
1
⁄
2
⁄
12
⁄
1
5
1
16
2
8
4
252.522.3031
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