This part is a D-Tec 2 (1) Amp 2PSI Pressure Switch that features 1/8th" MPT Standard Threads and 2 connectors for attaching the 2 wire connections and is Ideal for applications where a larger switch will not fit. This Switch is a replacement for D-Tec Swith you can see an example of in the picture area.. This Switch fits Balboa, Gecko, ACC, Hydroquip, Len Gordon, Maddux and most other standard Hot Tub Heater Tubes. What goes wrong with these switches is either the Switch does not close when the pump comes on and puts pressure on the switch or it doesn't open when the pump goes off. If either of these things happens you will have a flo code on most systems. The are other things that will cause a flo code like an inoperative pump or a stopped up filter so be sure the switch is bad before replacing. This part used in most hot tubs that use digital control systems with low current draw across the switch 1 Amp or less if your system Is an Air Button and has the heater power running through the switch you would use a 20-25 Amp Switch This system is rare and usually a 115V Air Button system . The Pressure Switch in this listing will not work in that application. WARNING: I DO NOT Recommend ADJUSTING THIS SWITCH!! US AND WE WILL HELP YOU FIGURE OUT WHATS WRONG. IF YOU HAVE TO ADJUST THIS SWITCH MOST LIKELY IS SOMETHING ELSE WRONG AND ADJUSTING THE SWITCH WILL NOT SOLVE IT LONG TERM!!
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