Pressure Switch, 1-5 PSI. Used On A Variety Of Spas. Switch Ships Set At The Standard 2-PSI. 1400. Universal pressure switch 1.5PSI calibration adjustable. RME-PSS-MSPS Need teflon tape? Best to wrap the threads of the pressure switch with teflon tape to assure a good seal at the pressure switch tap on the heater manifold. View AllClose
