When installed according to manufacturer specifications the wall thimble provides the required 1 inch air space to combustibles.
Ventilated roof thimble.
How to interpret part numbers specifications.
Also guides the chimney 6 above the roof line.
Thb ventilated thimble.
Standard finish high heat black enamel.
Duravent 4 inner diameter pelletvent pro type l chimney pipe double wall 13 wall thimble air intake kit with 3 diameter flex hose model.
When an exhaust pipe passes thru a noncombustible concrete or cinder block wall or roof dme has the solution.
One thb one fr one vtf and one vsc.
Mvt ventilated thimble assembly.
Se grand rapids mi 49512.
Insulated exhaust roof and wall thimbles are triple wall all stainless steel type 304 construction.
Thb ventilated thimble.
Alz or galv 304 316.
Ampco installation guide 2 mb pdf performance data 63 kb pdf for use where pipe passes through a combustible roof or structure.
Non insulated exhaust thimble are fabricated with standard carbon steel construction and a built in pipe guide that eliminates hot spots.
Hapco insulated exhaust roof and wall thimbles are recommended for use with exhaust pipes that must pass through a structure.
Adjusts 4 1 8 to 7 to fit wall thickness.
6 6rv wt wall thimble.
5030 corporate exchange blvd.
Pvt pitched ventilated thimble.
Hart cooley llc.
Mvt ventilated thimble assembly.