Roberts Gorden Vantage TF TF-160 - Manual (Page 16)

TF-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL
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Additional tubing length may be added to heater. Tubing must be heat-treated, aluminized or porcelain
coated. Any additional tubing lengths are considered as vent length for length determination. Maximum
venting length for minimum heater length is 45' (13.7 m), or 22.5' (7 m) on each tube.
Table 3: Component Package Guide
Tubing Length Each Side Core Packages (2 Required)
Model Minimum Hot Rolled with
Aluminum Reflector
Aluminized with
Aluminum Reflector
Aluminized with
Stainless Steel Reflector
TF-120 20' (6 m) CP20HRS CP20ALUM CP20ALUMSS
TF-160 20' (6 m) CP20HRS CP20ALUM CP20ALUMSS
TF-200 30' (9 m) CP30HRS CP30ALUM CP30ALUMSS
TF-250 40' (12 m) CP40HRS CP40ALUM CP40ALUMSS
TF-300 50' (15 m) CP30HRS + EXP20HRS CP30ALUM + EXP20ALUM CP30ALUMSS + EXP20ALUMSS
TF-350 50' (15 m) CP30HRS + EXP20HRS CP30ALUM + EXP20ALUM CP30ALUMSS + EXP20ALUMSS
TF-380 60' (18 m) CP30HRS + EXP30HRS CP30ALUM + EXP30ALUM CP30ALUMSS + EXP30ALUMSS