Extension joints must be visible below ceiling.
Roof jack extension.
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Outside pipe has a diameter of 8 1 2 on one end and 8 3 8 on the other.
Furnace flange furnace vent collar roof roof flashing roof jack assembly secure with appropriate fasteners furnace secure with s m.
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The exterior is for extending roof jack above the roof line.
The outside pipe has a diameter of 8 1 2 on one end and 8 3 8 on the other.
This extension is designed for exterior use and must be installed above the roofline.
Inside pipe has a diameter of 5 1 2 on one end and 5 3 8 on the other end.
21 to 35 telescopic roof jack 2 5 12 pitch 120 00.
Flat roof jack 15 to 23 inches 120 00.
My roof jack is a coleman 7900b7151 roof jack i think.
The extension consists of two pipes.
The extensions and roof jacks connect same way as shown in instructions.
16 outside ext nordyne.
Internal roof jack extension 18 inch 71 99.
5 0 out of 5 stars fit my mobile home coleman 7900b7151 roof jack.
The interior is for extending roof jack between the top of furnace and the roof line.
Extends crown of roof jack up an extra 16 inches to clear drifting snow or down drafts which may cause pilot outages.
Extension flue pipe 104240002 69 38.
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I hope this helps someone.
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Extension exterior 5 dia.
This extends the crown of the roof jack up an extra 16 to clear drifting snow or down drafts which may cause pilot outages.
9 3 4 diameter 20 13 1 4 10.
24 per page 36 per page 48 per page.
Screw a 10 interior extension kit is available to extend the roof jack connection pipes.
My furnace is a coleman 7956c856 mobile home furnace.
Extension interior 5 dia.
Extension 5 303414000 21 34.
The inside pipe has a diameter of 5 1 2 on one end and 5 3 8 on the other end.
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Extends crown of roof jack up an extra 16 inches to clear drifting sor down drafts which may cause pilot outages.
Extension lengthens the roof jack connection an additional 16 in.
Reviewed in the united states on february 5 2019.
Extension exterior 4 dia.
Extension consists of 2 pipes.
And a length of 16 in.
Flue extension 901935 features an inside diameter of 5 in an outside diameter of 8 25 in.
The 4000 series is just a new number for the roof jacks.
This replaced my rusted out old coleman roof assembly.
