Series LF009 reduced pressure valve assembly backflow preventers are designed to prevent the reverse flow of liquids in a plumbing system due to backpressure or backsiphonage where there is a potential health hazard. Their compact modular design makes them easy to install in tight spaces and the single cover, top-entry design allows convenient access for maintenance. The seats are replaceable for economical repair and no special tools are required for servicing. Available in sizes 1/4 - 3 Inch (8 - 80mm). For 2 1/2 and 3 inch sizes: the coating on this backflow assembly uses ArmorTek™ technology to resist corrosion due to microbial induced corrosion (MIC) or exposed metal substrate. Features: Extremely compact design is easy to install and service, Screwdriver slotted ball valve test cocks, Captured springs for safer maintenance, Large body passages for low pressure drop, The valve body for 2 1/2 and 3 inch sizes shall utilize a coating system with built in electrochemical corrosion inhibitor and microbial inhibitor.

The WiFi Thermostat 561 provides precise temperature control of a one-stage heating system. When connected to the Internet, the Watts(R) Home mobile app allows the thermostat to be controlled remotely. A 7-day, 4-event programmable schedule is available and the early start feature automatically learns to heat up the room by the scheduled time. An Away mode is quickly and easily accessed to provide energy savings when the space is unoccupied. The thermostat supports radiant floor heating and optional floor sensors can be installed to enhance comfort and protect floor coverings.

2 1/2 In Cast Iron Reduced Pressure Zone Backflow Preventer Assembly, Domestic OSY Shutoff, Epoxy Coated Using ArmorTek Technology