This 3/4 in lead-free vacuum relief valve is suitable for low pressure steam and water service, and is ideal for use in domestic water heaters and supply tanks. This valve automatically allows air to enter into the piping system to prevent vacuum conditions that could siphon water from the system and damage water equipment. It consists of a lead-free brass body construction with NPT male inlet connection, and a protective cap.

• Lead-free
• Low profile
• Protective cap
• Suitable for low pressure steam and water service
• Polypropylene cover, stainless steel spring, glass-filled polysulfone

Standards/Certifications: ANSI Z21.22, CSA certified

Applications: For domestic water heaters, supply tanks, table top heaters, jacketed steam kettles, unit heaters, low pressure steam systems, and steam coil heaters

• Specification Sheet https://www.plumbers-supply-co.com//ASSETS/DOCUMENTS/ITEMS/EN/UNI-PS1103_Spec.pdf