Slide the upper tab on the jack under the shingle so that nail hole in the jack is barely covered.
Roof jack hvac.
Grainger offers a variety of roofing supplies to help you ventilate hvacr systems through the roof.
Lift up the tab and nail the jack into place.
Adjustable from 21 35 when measured from roof not ceiling to top of furnace.
Adapts to roof pitches from 1 12 to 7 12.
The jacks must be properly nailed or leaks in the roof could occur.
Models included are m1 mbha mgba mgbb mgha mghb mmba mmbb mmha mmhb msba msbb msha mshb.
An internal roof jack extension p n 901935 10 p n 903107 18 can be used to increase roof jack height.
Just want to do it right.
I don t know what temp range the out side of pipe would be.
I have a mobile home roof jack to install on a high rib metal roof with a 80 furnace my.
Stainless steel roof jacks are available.
Roof jack with all weather crown for a 3 10 or steeper roof slope.
Fits b vent pipe with a diameter of 8 5 8 in.
Series roof jack is used on almost all nordyne gas furnaces that are mgha or newer.
All connections inside the home must be made below the ceiling.
Galvanized adjustable b vent roof jack for b vent stack roof penetration.
Is do i need to install a high temp boot.
Install with approved roof fasteners.
Lift up the tab of a shingle where you wish to install the jack.
Thanks for any help.
Use with storm collars for additional weather.
Can be used for remodeling do it yourself and new residential projects.
The high temp boots are pricey.