Ventilated Roof Thimble

Round type b gas vent.

Ventilated roof thimble.

Thb ventilated thimble. Adjusts 4 1 8 to 7 to fit wall thickness. 6 6rv wt wall thimble. One thb one fr one vtf and one vsc.

Ampco installation guide 2 mb pdf performance data 63 kb pdf for use where pipe passes through a combustible roof or structure. Hart cooley llc. How to interpret part numbers specifications. Non insulated exhaust thimble are fabricated with standard carbon steel construction and a built in pipe guide that eliminates hot spots.

When installed according to manufacturer specifications the wall thimble provides the required 1 inch air space to combustibles. T 304 and t 316 stainless steel available. Mvt ventilated thimble assembly. Se grand rapids mi 49512.

Also guides the chimney 6 above the roof line. When an exhaust pipe passes thru a noncombustible concrete or cinder block wall or roof dme has the solution. The thimbles prevent exhaust pipe heat from being transmitted to the combustible material. Hapco insulated exhaust roof and wall thimbles are recommended for use with exhaust pipes that must pass through a structure.

Thb ventilated thimble. Standard finish high heat black enamel. Pvt pitched ventilated thimble. Alz or galv 304 316.

Insulated exhaust roof and wall thimbles are triple wall all stainless steel type 304 construction.