Watts Check Valve, 3/8 in, Dual, Inline, 316 Stainless Steel, FNPT x Male Flare - SD3-MF 3/8" Mounting-Semi-Recessed Mount Part #2102) is used with

Part #2102) is used with connectors to make 90 corners

Aluminum-frame motor is suitable for use in condenser and evaporator fan

Valve Structure 1-Piece

Designed for use in diminishing-torque air-moving applications such as belt- or direct-drive fans and blowers

High Performance Engineered Plastic High Density Polyethylene HDPE construction for excellent chemical resistance

Watts Check Valve, 3/8 in, Dual, Inline, 316 Stainless Steel, FNPT x Male Flare - SD3-MF 3/8" Mounting-Semi-Recessed Mount Part #2102) is used withHelp prevent water supply contamination from carbon dioxide gas and carbonated water with this Watts dual check valve. Model can prevent the reverse flow of potentially contaminated water into the potable water supply due to back pressure backflow. Check valve has an atmospheric vent that provides a visual indication of failure in the event that the downstream check fails and system backpressure exceed the supply pressure. Model is corrosion resistant