4" ABS Long Sweep 90 (Hub x Hub) sweat fitting FM Approved (varies by manufacturer)

FM Approved (varies by manufacturer)

High-volume water lines in fire suppression networks

Multi-unit residential and industrial installations

and installs cleanly without the need for indoor venting

and other gas-fired appliances

4" ABS Long Sweep 90 (Hub x Hub) sweat fitting FM Approved (varies by manufacturer)4" ABS Long Sweep 90 Hub x Hub The 4" ABS long sweep 90 is designed for drain, waste and vent (DWV) plumbing systems that require a smooth 90 degree change in direction. The extended sweep radius improves gravity flow and reduces turbulence compared to a standard short turn 90 elbow. Long sweep 90 fittings are commonly used in horizontal drainage runs and main building drains where maintaining proper slope and efficient wastewater movement is