Clearances To Combustibles - Roberts Gorden CoRayVac CRV-B-2 Installation, Operation & Service Manual

NOTE:1. All dimensions are from the surfaces of all tubes, combustion chambers, couplings, tees,
elbows and crosses.
2. Clearances B, C and D can be reduced by 50% after 25' (7.5 m) of tubing downstream from the burner.
3. "-" indicates an unapproved application. Roberts-Gordon does not allow the installation of
unapproved applications.
A
C
B
D
FIGURE 1
FIGURE 2
FIGURE 3

CLEARANCES TO COMBUSTIBLES

STANDARD REFLECTOR
Model A
CRV-B-2 4
CRV-B-4 4
CRV-B-6 4
CRV-B-8 4
CRV-B-9 4
CRV-B-10 4
CRV-B-12 4
CRV-B-12A 4
ONE SIDE REFLECTOR
Model A
CRV-B-2 4
CRV-B-4 4
CRV-B-6 4
CRV-B-8 4
CRV-B-9 4
CRV-B-10 4
CRV-B-12 4
CRV-B-12A 4
TWO SIDE REFLECTORS
Model A
CRV-B-2 4
CRV-B-4 4
CRV-B-6 4
CRV-B-8 4
CRV-B-9 4
CRV-B-10 4
CRV-B-12 4
CRV-B-12A 4
(inches)
B C D
20 48 20
20 48 20
20 48 20
20 48 20
36 60 36
36 60 36
36 60 36
36 60 36
(inches)
B C D
12 56 20
12 56 20
12 56 20
12 56 20
12 60 42
12 60 42
12 60 42
12 60 42
(inches)
B C D
12 56 12
12 56 12
12 56 12
12 56 12
12 60 12
12 60 12
12 60 12
12 60 12
S 3: C C
ECTION RITICAL ONSIDERATIONS
(centimeters)
A B C D
10 50 120 50
10 50 120 50
10 50 120 50
10 50 120 50
10 90 150 90
10 90 150 90
10 90 150 90
10 90 150 90
(centimeters)
A B C D
10 30 140 50
10 30 140 50
10 30 140 50
10 30 140 50
10 30 150 105
10 30 150 105
10 30 150 105
10 30 150 105
(centimeters)
A B C D
10 30 140 30
10 30 140 30
10 30 140 30
10 30 140 30
10 30 150 30
10 30 150 30
10 30 150 30
10 30 150 30
3