Double Wall Chimney Pipe Temperature

These pipes only need a 2 inch clearance to combustibles because they remain cool on the outside while their internal design allows them to withstand temperatures as high as 1 700 or 2 100 degrees fahrenheit for a limited time.

Double wall chimney pipe temperature.

Set your store to see local availability add to cart. In fact you ll need two elbows if offsetting class a chimney pipe an elbow to start the offset and another one to end the offset. Inside diameter of chimney pipe is 6 chimney is sized according to the inner diameter. The outer casing carries structural loads leaving the inner pipe free to expand without stress.

X 18 25 in square ceiling support box and trim collar 24 in. It is double wall class a pipe with a 1 1 2 air space inbetween the two. Duravent dvl 6 in. Adjustable double wall chimney stove pipe in black model 6dvl 12adj 59 19 59 19.

Tall model 6dp cs24 94 82 94 82. Duravent duraplus 6 in. Double wall piping constructed from 304 stainless steel inner wall and 430 stainless steel outer wall. The double wall black pipe is listed for six 6 inches clearance to combustible material.

The maximum temperature must not exceed 1000 f continuous and 1700 f intermittent. Ul standard 103 requires pipe capable of safety operating with an internal temperature of 1 000 degrees fahrenheit and withstanding a maximum temperature of 1 700 degrees fahrenheit. 4 inch stem engineered to accurately measure temperatures up to 1700 fahrenheit for any diameter flue pipe up to 8 inches. Durable porcelain enamel with silver black and red zones clearly indicated shows temperature inside the flue pipe at a glance.

Inner pipe is 6 and outer is 9 both stainless steel. Tested to 2100 f a high temperature test option of underwriters laboratories safety standard for factory built chimneys ul 103 sixth edition. The epdm is rated for 250 deg. Listing double and triple wall insulated pipe is listed as class a vent pipe and must meet either ul standard 103 or 103ht.