Miller 901937 Exterior Flue Extension 16 Inches Long 5 Inch Interior Pipe 9 Inch Exterior Pipe

Product Description

The Miller 901937 is an exterior flue extension designed for use with mobile home, manufactured home, and park model trailer furnaces. This 16-inch extension is a direct Nordyne replacement part built to work with the existing flue and venting systems found in these residential heating setups. It includes a 5-inch interior pipe section and a 9-inch exterior pipe section, giving technicians the correct dimensions needed for a proper fit during installation or service work. HVAC professionals working on manufactured housing units rely on parts like this to maintain safe combustion gas exhaust pathways. A properly functioning flue extension directs harmful gases away from the living space and outside the structure. When a flue extension is damaged, corroded, or improperly sized, it can cause backdrafting or incomplete venting, both of which are serious safety hazards. Replacing a worn or missing exterior flue extension with a factory-compatible part like the Miller 901937 restores the integrity of the venting system. This part is also referenced under Nordyne part number 237968 and is sometimes called a roof jack exterior extension in the field. It is compatible with M1-series furnace models common in manufactured housing. HVAC service technicians and mobile home heating specialists will find this part useful when performing seasonal maintenance, storm damage repairs, or full furnace replacements in park model trailers and manufactured homes. Correct venting is required for safe furnace operation and code compliance, making this a critical component in any mobile home HVAC service call. The 901937 is a straightforward replacement that restores the exhaust path and helps the furnace operate within safe parameters.

• 16 inches total length with 5 inches interior pipe and 9 inches exterior pipe for correct dimensional fit
• Designed for mobile home, manufactured home, and park model trailer furnaces using M1-series Nordyne equipment
• Compatible with Nordyne part number 237968, also known in the field as a roof jack exterior extension

Product Highlights

The Miller 901937 exterior flue extension is a factory-compatible replacement part for Nordyne M1-series mobile and manufactured home furnaces. It restores proper combustion gas venting and meets the dimensional requirements for safe, code-compliant installation.

Product Information

Standard Information

• Brand: MILLER
• Manufacturer Part Number: 901937

Technical Specifications

• Total Length: 16 inches
• Interior Pipe Length: 5 inches
• Exterior Pipe Length: 9 inches
• Application: Mobile home, manufactured home, and park model trailer furnaces
• Compatible Series: Nordyne M1-series furnaces
• Cross Reference Part Number: 237968