Harwil Flow Switch [1/2"Thd] [Q12DS Kit] [Hubble Fitting & 1/2"Cplr] (Q12DS501.54SNO1) circuitboards When a reliable sealing material

When a reliable sealing material is needed for routine assembly or repair

Back up rings help reinforce sealing assemblies so gaskets and o-rings can perform more reliably under pressure

Sometimes the difference between an easy jet repair and a frustrating one is simply having the right tool

A control pack like this often improves more than one part of the spa experience at once because it sits at the center of daily function

115 volt and 230 volt compatibility with AMP cord connection

Harwil Flow Switch [1/2"Thd] [Q12DS Kit] [Hubble Fitting & 1/2"Cplr] (Q12DS501.54SNO1) circuitboards When a reliable sealing materialA flow switch helps verify water movement in a compatible system so connected equipment can respond appropriately when flow is present, and this Harwil version is a Q12DS kit with a 1 2 inch threaded connection, Hubble fitting, and 1 2 inch coupler using the Q12DS501. 54SNO1 reference. Kits like this are useful when a complete flow switch setup is preferred over sourcing multiple installation pieces separately. This package has practical value because