Miller Nordyne 903656 Roof Jack Cap Assembly Lock from the inside with

Lock from the inside with the twist of a button

the diameter of the pipe

Note: This pipe can only be used with SRJ series roof jacks

You will need to know the type of pipe you will use the Frostex heat tape on

Note: This jack is designed for roof cavities (ceiling to roof line) of 25” to 36”

Miller Nordyne 903656 Roof Jack Cap Assembly Lock from the inside withRedesigned all weather crown assembly helps minimize pilot light blow outs Factory Replacement item Easy Installation Instruction included Fits Miller, Intertherm, Nordyne & Broan Furnace with model #'s that start with MI, MBHA, MGBA, MGBB, MGHA, MGHB, MMBA, MMBB, MMHA, MMHB, MSBA, MSBB, MSHA & MSHB Fits Miller, Intertherm, Nordyne & Broan Furnace with model #'s that start with MI, MBHA, MGBA, MGBB, MGHA, MGHB, MMBA, MMBB, MMHA, MMHB, MSBA, MSBB, MSHA