Watts BD911, 1/2" Combination Bronze Dial Set Fill Valve & Backflow Preventer (NPT x NPT)

Note: Do not use this item for any installation or repair of potable water applications. This product does not comply with the "Safe Drinking Water Act," which requires that products meet low-lead standards in order to be used in systems providing water for human consumption (drinking or cooking). This item is for non-potable (non-human consumption) water applications only. All bronze body construction union 1/2" NPT inlet x 1/2" NPT outlet Series BD911 combination fill valve and backflow preventer consists of a Model 9D backflow preventer and Model BD1156F feed water pressure regulator in one pre-assembled unit. This valve is a high capacity valve designed for use on boiler feed lines to provide make-up water to the boiler and prevent backflow when supply pressure fails below system pressure and incorporates a unique push-button fast fill engagement with auto-stop that prevents over-pressurization. Features Pre-assembled for ease of installation Push button fast fill with auto-stop to prevent system over-...