Centrotherm isel0315-18 Single Wall Flue Elbow 3 in 15 Deg

Product Description

The CENTROTHERM isel0315-18 is a single wall flue elbow designed for use in the InnoFlue venting system. It manages directional changes in exhaust vent runs with a 15-degree offset angle and a 3-inch diameter. The integrated EPDM gasket creates an airtight seal without the use of glues, primers, or solvents, speeding up installation on the job. Evaluated to UL1738 and ULCS636 by ICC, this elbow meets the code requirements most jurisdictions demand for Category II, III, and IV appliance venting. Licensed HVAC technicians and plumbers are the typical installers.

This elbow fits into InnoFlue single wall vent runs used with high-efficiency condensing appliances such as gas furnaces, boilers, and water heaters that require polypropylene flue pipe. The 3-inch diameter suits a wide range of residential and light commercial appliance vent connections. Its lightweight construction and tool-free gasket connection make it practical for tight mechanical room installations and retrofit work where glue-type systems would slow down the job.

Key Features

• 15-degree elbow angle for managing directional offsets in vent runs
• Integrated EPDM gasket delivers an airtight seal with no glue, primer, or solvent required
• Evaluated to UL1738 and ULCS636 by ICC for code-compliant installations
• Rated for outdoor installation environments
• Lightweight and durable construction for fast handling and positioning

Compatibility

Designed for use with the InnoFlue single wall polypropylene vent system in residential and light commercial condensing appliance venting applications.

Installation Notes

Installation should be performed by a licensed HVAC technician or plumber in accordance with the appliance manufacturer instructions and applicable local mechanical codes. Shut down and allow the appliance to cool before working on any portion of the vent system. No adhesives, primers, or solvents are required — the integrated gasket provides the seal when components are properly seated. Verify all joints are fully engaged and that the vent system slope and support spacing meet local code requirements before returning the appliance to service.

Technical Specifications

• Diameter: 3 inches
• Elbow Angle: 15 degrees
• Wall Type: Single wall
• Gasket Material: EPDM (integrated)
• Certifications: UL1738, ULCS636 (evaluated by ICC)
• Outdoor Rated: Yes

Standard Information

• Brand: CENTROTHERM
• Manufacturer Part Number: isel0315-18