AIR ADMIT VALVE ABS THREAD

JBSAT500 is:

JB Products Air Admittance Valve (AAV) – ABS with Threaded Adapter (20 DFU)

Product description:

• Brand: JB Products
• Model: JBSAT500
• Type: Air Admittance Valve (AAV)
• Material: ABS plastic
• Connection: Threaded adapter
• Drainage capacity: 20 DFU (Drainage Fixture Units)

Key features:

• Used in DWV (Drain, Waste, Vent) plumbing systems
• Allows air into the drain system while preventing sewer gases from escaping
• Replaces the need for a traditional vent pipe in some applications
• Designed for venting sinks, lavatories, and other fixtures
• Commonly installed in walls or under sinks

What it does:

• Opens when negative pressure occurs in drain lines (to let air in)
• Closes to block sewer gas from entering the building
• Helps prevent trap siphoning and slow drainage