5″ x 8″ Direct Vent Wall Thimble from Direct-Temp
This two-piece wall thimble easily slides together for installation on wall thicknesses of 4″ to 7″. This serves a dual purpose as both a heat shield and firestop.
Direct-Temp system features stainless steel inner and heavy duty galvanized steel outer walls. Heavy duty centering brackets keep inner pipe centered and chamfered edges allow for easy slide-together assembly. The free-floating inner liner allows the pipe to expand and contract under high temperature, without creating gaps or stress points. The LockTab(r) is a unique design that allows for 360° rotation while securely locking the sections of pipe together with just a push of the tab.
Features:
Siliconozed fiberglass seal
LockTab security
Pipe rotates easily to align system components
No sealant required
12.5″ x 12.5″ Base
6″ to 11″ adjustable depth
Diameter: 8.125″ inner and 19″ outer
High efficiency performance
Connection Specifications:
Joint/Connection Overlap: 1-5/8″
Joint/Connection Type: Twist-Lock standard on all diameters
Material Specifications:
Outer Wall: Heavy duty galvanized steel
Inner Wall: 304 Stainless Steel
Additional Metalbest Links
View the Manufacturer Warranty
Metalbest Direct-Temp Collection
Specifications
| Material | Galvanized Steel, Stainless Steel |
| Configuration | Wall Thimble |
| Pipe Class | Direct Vent |
| Pipe Shape | Round |
| Vent Construction | Double Wall |
| Manufacturer Warranty | Limited Lifetime |
| Certifications | UL |
| Bar Length | 12.5 in. |
| Base Width | 12.5 in. |
| Pipe Inside Diameter | 5 in. |
| Outside Diameter | 19 in. |
| Maximum Length | 11 in. |
| Minimum Length | 6 in. |
| Inside Diameter | 8.125 in. |
| Maximum Depth | 11 in. |
| Minimum Depth | 6 in. |
| Fuel Type | Gas |
| Color | Black |
| Color Tone | Blacks |


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