Intertherm 903656 Flue Extensions and Accessories – Roof Jack Cap

The Nordyne 903656 Roof Jack Cap is a redesigned all-weather crown assembly that helps minimize pilot light blow-outs. Before purchasing, make sure your old crown can be removed. 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.