6-20 DFU Air Admittance Valve

• Screening on inside and outside of valve protects sealing assembly from insects and debris
• Will vent up to 20 DFUs
• 1-1/2" MIP with either PVC or ABS Adapter
• Can be used as an alternative to extending a vent through the roof

Technical Data

	Spec Sheet
	Installation Instructions/Parts/Warranty
	Vendor Information (Permission Required)

Cross Reference

*Please note: We've done our best to identify the most similar products on the market that could cross to our quality Mainline product. The below products are not necessarily an exact match and could change at any time without warning.

•AYRLETT:A-6; AT-500
•IPS/STUDOR:20298; 20349
•MAINLINE-D/JB:MLJBSA6T
•OATEY:39018; 39019
•RECTORSEAL:97406
•SIOUX CHIEF:250-11A