1 x 3/4-In. Reducing Pipe Coupling, Lead-Free PVC Coupling 24 Stack DFU Air Admittance

24 Stack DFU Air Admittance Valve with PVC Schedule 40 adapter is a one-way valve designed to allow air into the plumbing drainage system when negative pressures develop in the piping system

No-Burst appliance water supply connectors for washing machines fit 3/4' hose fitting x 3/4' hose fitting

4500 Watt resistored copper elements to prolong anode rod and tank life

IAPMO R & T Tested and Certified

Large ports for maximum flow rates

1 x 3/4-In. Reducing Pipe Coupling, Lead-Free PVC Coupling 24 Stack DFU Air Admittance1" x 3 4" reducing coupling, lead free, bagged; sharkbite push fit, u060lfa, sharkbite push fit fittings for use with copper tubing cts, cpvc and pex with integral tube liner included; constructed of dzr brass, certified to 200 psi and 200 degrees f, design certified to asse 1061 nsf61 standards, meets upc, ipc and cupc requirements; fittings are listed with iapmo and are certified for use on potable and hydronic water distribution. certified for