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21" to 35" Telescopic Roof Jack, 2.5/12 pitch

21" to 35" Telescopic Roof Jack, 2.5/12 pitch

New Item!

Model: Alpine AH903662 (Item No. 673891)

Actual product may vary from photos.

Model: Alpine AH903662 (Item No. 673891)

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You save: 32%
Compare to: $103.00
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In Stock and Ready to Ship
If ordered by 1PM CST M-F, ships same day. All items on your order must be in stock for same-day shipping.

This ROOF JACK 21 has some cosmetic damage incurred during shipping. Item came back bent up at the top. For detailed photos please click 'See Additional Images' above. This ROOF JACK 21 meets the full manufacturer's specifications, comes with the full manufacturer's warranty, and includes Alpine's premium guarantee.

For product specs and photographs of product in its original condition, click here.

This roof jack is the only piece needed to vent your mobile home furnace. For proper fit, measure from the base of the furnace to the flange on the top of the roof.  The roof jack can telescope within the range described for an exact fit.  To adjust roof pitch, see the accessories for the appropriate roof wedge.

Note: Hydroment Sealant is the only substance approved for installation of roof jacks.

System Information
Equipment Type
Telescopic Roof Jack
Product Dimensions
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16.000000000 Inches
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16 1/4 Inches
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41 1/4 Inches
Shipping Weight
16.6 lbs
Important Measurements
Pitch Flashing
2.5 Inches
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