Low Profile Vacuum Relief Valve For Water Service And Heater Tanks Three Quarter Inch No Fuss Easy Install Prevents Siphoning And Vacuum Damage In Piping Watts LFN36 M1

Low-Profile Vacuum Relief Valve, 3/4in, single unit
✔️ 3/4 in brass body, ANSI Z21.22, CSA certified, prevents siphon

The LFN36-M1 vacuum relief valve is a compact, lead-free brass device designed to admit air into water lines automatically when a vacuum forms. It protects water heaters, storage tanks, and steam-related equipment from siphoning and vacuum damage in residential and light commercial settings.

✅ Connection: 3/4 in (19.05 mm) NPT
✅ Max working pressure: 200 psi (13.8 bar)
✅ Max steam pressure: 15 psi (103 kPa)
✅ Max temperature: 250 °F (121 °C)
✅ Brass body, lead-free construction
✅ Low-profile design with protective cap
✅ ANSI Z21.22 tested, CSA certified
✅ Not a back siphonage backflow preventer

The LFN36-M1 vacuum relief valve is a compact, lead-free brass device designed to admit air into water lines automatically when a vacuum forms. It protects water heaters, storage tanks, and steam-related equipment from siphoning and vacuum damage in residential and light commercial settings.

💡 What is a vacuum relief valve used for in water heating and steam systems? This handy device helps protect equipment by letting air into the piping to break vacuum and prevent siphoning. - vacuum relief valve operation in domestic water heaters and steam lines - handy air-entrance feature to prevent siphon damage - materials and certifications: lead-free brass, ANSI Z21.22, CSA - proper use and limitations: not a backflow preventer, suited for low-pressure service