Flo Control 2" Slip Swing Water Clear 1011 Check Valve [1 2lb] (1011C20) lighting That broader reliability is exactly That broader reliability is exactly what homeowners tend to notice most after a successful control system repair This part has practical value because the panel mount format helps preserve original installation style while the 7 day capability adds greater scheduling flexibility this clear swing check valve helps restore dependable one way flow control and contributes to better overall plumbing performance This type of part is especially useful when visual confirmation of flapper movement or blockage is important