![Marquis Spas Pressure Switch, 1995-1999 740-0117](http://hotspringsupply.com/cdn/shop/products/740-0117_{width}x.jpg?v=1583947229)
Replacement Pressure Switch for Marquis spas made between 1995 and 1999.
If your spa was made between 1995 and 1999 and includes a pressure switch, this is the replacement. In general, you will find this on models without a dedicated circulation pump.