Miller Roof Jack Extension

Connect roof jack assembly to furnace.

Miller roof jack extension.

Insert the telescoping roof jack assembly through the. Mobile home furnace supply. Inside pipe measures 5 diameter and outside pipe measure 8 25 diameter. Nordyne miller intertherm exterior roof jack extension 5 3 8in fm 901937 this extends the crown of the roof jack up an extra 16 to clear drifting snow or down drafts which may cause pilot outages.

Stainless steel roof jacks are available. The nordyne 903656 roof jack cap is a redesigned all weather crown assembly that helps minimize pilot light blow outs. And a length of 16 in. Srj 4 standard roof jack 48 all cmf w 37 38 roof cavity 104060018.

A 10 interior extension kit is available to extend the roof jack connection pipes. This roof jack has an all weather crownfor a 3 10 or steeper roof slope. Fits miller intertherm nordyne and broan furnace model numbers starting with mi mbha mgba mgbb mgha mghb mmba mmbb mmha mmhb msba msbb msha and mshb. Extension lengthens the roof jack connection an additional 16 in.

The outside pipe is 8 3 8 which fits over about an 8 1 4 pipe. 9 3 4 diameter 20 13 1 4 10 rear wall of alcove 3. M1 mgha mgba mmha mmba mghb mgbb mmhb mmbb. It is adjustable from 27 to 47 when measured from the roof not ceiling to the top of the furnace.

An internal roof jack extension p n 901935 10 p n 903107 18 can be used to increase roof jack height. All connections inside the home must be made below the ceiling. Intertherm s flue extensions aid in extending the roof intertherm s flue extensions aid in extending the roof jack connection to the furnace. Nordyne miller intertherm sloped roof jack 27 47 in fm 903663.

Intertherm miller nordyne exterior roof jack extension 901937. This part will fit the following furnace model prefixes. Srj 5 standard roof jack 60 all cmf w 49 59 roof cavity 104060024. For use above the roof to extend the roof cap and flue pipe higher.

Interior roof jack extension lengthens roof jack connection to furnace by 10. Extension joints must be visible below ceiling. Installation instructions are included. Rg ro furnaces may be used with roof jacks as tall as 170 excepr t g1 056m odesl w hci ha remil eti d ot 1 20.

Measurements taken on the non crimped end. Extension not adjustable but roof jack is. 5 inside diameter x 8 outside diameter x 16 long. Roof jack extension 4 x 18.