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ROBERTS GORDON
®
CTH2-Series S
UBMITTAL
S
HEET
© 2004 Roberts-Gordon
APPLICATIONS, ENGINEERING AND DETAILED GUIDANCE ON SYSTEMS DESIGN, INSTALLATION AND PRODUCT PERFORMANCE IS AVAILABLE UPON REQUEST. ROBERTS GORDON
®
PRODUCTS ARE TO BE
INSTALLED ONLY IN ACCORDANCE WITH LOCAL LAWS, CODES AND REGULATIONS, AND ONLY BY A CONTRACTOR QUALIFIED IN THE INSTALLATION AND SERVICE OF GAS-FIRED HEATING EQUIPMENT.
NOTE:
1. All dimensions are from the surfaces of all tubes, couplings and elbows.
2. Clearances B, C and D can be reduced by 50% after 25' (7.5 m) of tubing downstream
from where the burner and burner tube connect.
3. “-” indicates an unapproved application. Roberts-Gordon prohibits the installation of
this heater for all unapproved applications.
Venting
(inches)
(centimeters)
Model
A
E
F
A
E
F
CTH2-40
14
18
18
36
46
46
CTH2-60
14
18
18
36
46
46
CTH2-80
20
24
18
51
61
46
CTH2-100
20
24
18
51
61
46
CTH2-125
20
24
18
51
61
46
CTH2-150
20
30
18
51
77
46
CTH2-175
20
30
18
51
77
46
Infrared Tubes
Vent
Pipes
Unvented
Vented
A
E
F