H2Flow Flow Meter/Check Valve [FlowVis, 1-1/2" Slip] (FV-C-15) jets Those details matter because a

Those details matter because a clean pump repair depends on proper fit just as much as it depends on replacing the worn components themselves

12 hole design

and this Jacuzzi LS 40 Tank Body is designed for compatible 13

or no longer clearly shows the pump one

H2Flow Flow Meter/Check Valve [FlowVis, 1-1/2" Slip] (FV-C-15) jets Those details matter because aThe H2Flow FlowVis flow meter and check valve is designed for compatible plumbing applications where both flow monitoring and one way flow control are needed. A combined flow meter and check valve is useful because it helps show the system flow rate while also reducing the chance of backflow through the line. This replacement is especially useful when the original assembly is damaged, leaking, sticking, inaccurate, or no longer reading or sealing