Seal-tite ST-4244-07 7 Inch Round to Oval 90 Degree Boot

Product Description

The SEAL-TITE ST-4244-07 is a 90-degree duct boot that transitions a 7-inch round duct connection to a 7-inch oval outlet. The crimped end allows for direct insertion into matching duct sections without additional fittings. This fitting is used in low-pressure residential and light-commercial HVAC duct systems to route airflow around corners while changing duct profile. HVAC installers and sheet metal technicians install this type of fitting during new construction and duct retrofit work where spatial constraints require both a directional change and a round-to-oval transition in a single component.

This boot is suited for supply and return air applications in forced-air HVAC systems where a 90-degree turn is needed at the takeoff or branch connection point. The round-to-oval transition is common in residential ductwork runs routed through tight floor joists, wall cavities, or under-floor spaces. The crimped male end seats into standard oval duct collars or flexible oval duct connectors, simplifying field assembly.

Key Features

• 90-degree directional change integrates a round-to-oval transition in one fitting
• 7-inch round inlet to 7-inch oval outlet maintains consistent duct sizing through the transition
• Crimped end allows direct insertion into mating duct sections for faster assembly
• Designed for low-pressure forced-air HVAC duct systems in residential and light-commercial applications
• Single-piece construction reduces the number of joints and potential leak points

Compatibility

Designed as an OEM-style sheet metal duct fitting for use with 7-inch round and 7-inch oval ductwork in standard low-pressure residential and light-commercial forced-air HVAC systems.

Installation Notes

This fitting is typically installed by licensed HVAC technicians or qualified sheet metal workers. Shut down the air handling unit and verify the system is de-energized before modifying any duct section. Secure all connections with sheet metal screws and seal seams with UL 181-rated mastic or foil tape in accordance with local mechanical codes. Do not over-drive screws through the crimped collar, as deformation can compromise the airtight seal.

Technical Specifications

• Inlet Size: 7 inches round
• Outlet Size: 7 inches oval
• Angle: 90 degrees
• End Type: Crimped

Standard Information

• Brand: SEAL-TITE
• Manufacturer Part Number: ST-4244-07