3/4" Watts LF909-QT-HW Reduced Pressure Zone Assembly. Currently the only device approved for hot water operation. Lead free, bronze body feature three covers. Known as the "Cadillac" of backflow preventers, the 909 is constructed of high quality parts for reliabilty and ease of service. Features full port, quarter turn ball valves on inlet and outlet. The hot water device has stainless steel check seats instead of the standard plastic found in the regular 909. Fully testable.Air gap drian fitting listed below is recommended. Designed to pipe a drain onto the relief valve port to avoid water damage due to relief valve discharge.

3/4" Watts LF909-QT-HW Reduced Pressure Zone Assembly. Currently the only device approved for hot water operation. Lead free, bronze body feature three covers. Known as the "Cadillac" of backflow preventers, the 909 is constructed of high quality parts for reliabilty and ease of service. Features full port, quarter turn ball valves on inlet and outlet. The hot water device has stainless steel check seats instead of the standard plastic found in the regular 909. Fully testable.Air gap drian fitting listed below is recommended. Designed to pipe a drain onto the relief valve port to avoid water damage due to relief valve discharge.

Air Gap Drain Fitting The air gap drain fitting is designed to attach to the relief port and pipe to a drain to direct any discharge to a safe place. Bottom features a 1/2" Female NPT Connection.