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Watts 9D is suitable for use on hot or cold water and can be used under continuous pressure. It features a primary check valve utilizing a rubber disc seating against a mating rubber part to ensure tight closing. A secondary check valve utilizes a rubber disc-to-metal seating. In the event of fouling of the downstream check valve, leakage would be vented to atmosphere through the vent port thereby safeguarding the potable water system. Construction is bronze body with stainless steel working parts, integral strainer and durable rubber discs. Female union inlet and outlet connections.

• Tested and Certified Under ASSE Standard 1012 and CSA Standard B64.3
• True line-sized construction allows the check modules to open further allowing dirt and debris to pass more freely reducing check fouling
• Stainless steel internal parts
• Maximum flow at low pressure drop
• Furnished with union connections to facilitate removal and replacement for maintenance

• 3/4" IPS
• Female Union Inlet and Outlet Connections
• Max. Pressure 175 psi
• Max. Emergency Backflow Temperature 250 Degrees F
• For Additional Specs and Information Click Here
• Mfg. by Watts Regulator Company, Mfg. Part #9D 3/4