Converting a 90 into two 45's ?

[Kevin Weis]

In converting a 90 elbow into two 45's one 45 has to be placed right at the stove collar then the other at the chimney. Is this still desirable more than the one 90? Currently the 90 starts 16" vertical from the stove collar than 18" horizontal to the chimney. I've seen where it's been said that it is undesirable to have an elbow right off the stove is should this apply to the 45 as well. Any thoughts welcomed. Kevin

 

[cornerstone4.2]

In converting a 90 elbow into two 45's one 45 has to be placed right at the stove collar then the other at the chimney. Is this still desirable more than the one 90? Currently the 90 starts 16" vertical from the stove collar than 18" horizontal to the chimney. I've seen where it's been said that it is undesirable to have an elbow right off the stove is should this apply to the 45 as well. Any thoughts welcomed. Kevin

Two 45’s creates a more gradual change of direction, as you would imagine. Therefore less resistance, better draft and a smoke pipe that’s easier to sweep. But if u plan on sweeping it often u may want to just use a Tee off the back for easier clean out access.


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[begreen]

Sometimes when the thimble is low that is the best option.

 

[Kevin Weis]

Sometimes when the thimble is low that is the best option.
View attachment 226085

Bgreen, thanks! That is exactly how mine would configured. Just kept hearing how you should avoid coming right off the stove with an angle section of stove pipe. But if that's still better tha a 90 further up, that's all I need to know. Kevin

 

[kennyp2339]

If using dvl don't forget to get an appliance adapter to mate the 45 with the stove collar

 

[Kevin Weis]

If using dvl don't forget to get an appliance adapter to mate the 45 with the stove collar

The 45 will fit right inside the stove collar on the VC as designed. Kevin

 

[kennyp2339]

The 45 will fit right inside the stove collar on the VC as designed. Kevin

Your talking single wall pipe? Yes it will, but double wall (dvl) will not

 

[begreen]

If using dvl don't forget to get an appliance adapter to mate the 45 with the stove collar

Depends on the stove. Some don't need it. The Morso in the picture doesn't have one, nor does our PE stove. Both have DVL stovepipe.

 

[Kevin Weis]

Mine is single wall. Kevin