1-1/2
1-1/2

1-1/2" or 2" MIP 160 DFU Air Admittance Valve

Model #:


• Screening on inside & outside of valve protects sealing assembly from insects & debris
• 1-1/2" MIP with either PVC or ABS Adapter
• Ability to divert condensation away from the sealing membrane
• Can be used as an alternative to extending a vent through the roof

*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.•IPS/STUDOR:20300,20336,20340 •MAINLINE-D/JB:MLJBSAT500 •OATEY:39221 •SIOUX CHIEF:250-122AB,250-122AC


• Screening on inside & outside of valve protects sealing assembly from insects & debris
• 1-1/2" MIP with either PVC or ABS Adapter
• Ability to divert condensation away from the sealing membrane
• Can be used as an alternative to extending a vent through the roof

Technical Data
Spec Sheet
Installation Instructions/Parts/Warranty

Vendor Information (Permission Req’d)

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.•IPS/STUDOR:20300,20336,20340 •MAINLINE-D/JB:MLJBSAT500 •OATEY:39221 •SIOUX CHIEF:250-122AB,250-122AC


• Screening on inside & outside of valve protects sealing assembly from insects & debris
• 1-1/2" MIP with either PVC or ABS Adapter
• Ability to divert condensation away from the sealing membrane
• Can be used as an alternative to extending a vent through the roof

Technical Data
Spec Sheet
Installation Instructions/Parts/Warranty

Vendor Information (Permission Req’d)

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.•IPS/STUDOR:20300,20336,20340 •MAINLINE-D/JB:MLJBSAT500 •OATEY:39221 •SIOUX CHIEF:250-122AB,250-122AC