The FraJon Air Admittance Valve (AAV)
One AAV…fits two different sizes to connect it to your DWV system!
| Model | Description |
| FA1520 | FraJon AAV with Dual Size Connector |
| FA15 | FraJon AAV with 1 ½” FPT x H Socket |
The FraJon
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Vent Pipe Terminals
Listings/Certifications:
ANSI/ASSE 1050 Stack AAVs
for Sanitary Drainage Systems.
ANSI/ASSE 1051 Individual and Branch
Type AAVs for Sanitary Drainage Systems.
Features/Benefits:
- One Valve fits either over 1 ½” or into 2” Schedule 40 vent pipe. The FA 1520’s unique connector let’s you solvent weld the connector either over 1 ½” or into 2” DWV pipe (Sch 40). The FA 1520 connector makes it quick and easy to install on a vent pipe terminal.
- The compact FA1520 AAV is rated for 6, 20 and up to 160 DFU’s The FA 1520 replaces the need to carry multiple sizes on a job (see DFU chart below). Plus it’s small profile makes it easier to install in tight spaces.
The FraJon FA 1520 AAV is:
- Compact
- Quick and easy to install
- ASSE 1050 & 1051 A&B
- ASTM F1498 MPT/FPT pipe threads
- AAVs reduce the number of roof penetrations which decrease the cost of construction with labor and materials
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The FraJon
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Listings/Certifications:
ANSI/ASSE 1050 Stack AAVs
for Sanitary Drainage Systems.
ANSI/ASSE 1051 Individual and Branch
Type AAVs for Sanitary Drainage Systems
Features/Benefits:
- One Valve threads into the adaptor that fits over the 1 ½” Schedule 40 vent pipe. The FA15 Female Adaptor FPT x HUB let’s you solvent weld the adaptor over the 1 ½” DWV pipe (Sch 40). The FA15 adaptor makes it quick and easy to install on a vent pipe terminal.
- The compact FA15 AAV is rated for 6, 20 and up to 160 DFU’s (see DFU chart below). Plus its small profile makes it easier to install in tight spaces.
The FraJon FA 15 AAV is:
- Compact
- Quick and easy to install
- ASSE 1050 & 1051 A&B
- ASTM F1498 MPT/FPT pipe threads
- AAVs reduce the number of roof penetrations which decrease the cost of construction with labor and materials
The same compact valve…multiple applications!
The FraJon AAV Model FA15 or FA1520 will work for all DFU rated applications as listed below.
DFU Chart
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| 1 1/2 “ | 8 | >3 Branch Intervals |
| 2” | 24 | >3 Branch Intervals |
| 3" | N/A | >3 Branch Intervals |
| 4" | N/A | >3 Branch Intervals |
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| 1 1/2 “ | 3 | Drain Pipe |
| 2” | 6 | Drain Pipe |
| 3" | 20 | Drain Pipe |
| 4" | 160 | Drain Pipe |
What is a DFU and why is it important?
A DFU - Drainage Fixture Unit is a measurement rating of the load factor on the drainage waste vent system (DWV). Each appliance that’s connected to a DWV system has a DFU rating. Frajon AAV’s are marked with their DFU rating.
Knowing the DFU Ratings of an AAV is important for sizing the appropriate rated AAV to the drainage waste vent system.
Location Requirements:
A FraJon AAV may be used in Residential, Commercial and Industrial Buildings for secondary Stack and Individual and Branch Type Air Admittance Valves (AAVs) for Sanitary Drainage Systems.
- A minimum of one main vent shall extend to open air for each plumbing drain.
- An AAV shall not be used to relieve positive pressure, acid waste or in supply and return air plenums.
ASSE Standards
DFU – Spec Sheet
Code References:
- International Plumbing Code (IPC) AAV Section: 917 (918-2012)
- International Residential Code (IRC) AAV Section: P3114 & P3112.3
- HUD-ICC Plumbing Code IRC (-P) for One- and Two-Family Dwellings
- Uniform Plumbing Code (UPC) Section: 301
- National Standards Plumbing Code Section: E.1 to E.8
- National Plumbing Code of Canada
Warranty:
Lifetime Limited Warranty for replacement of the FraJon AAV.
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U.S. Patent 5,419,366 & 7,270,146 |
