Johnnyonnit Posted October 15, 2021 Report Share Posted October 15, 2021 I've got this 2004 marquis reward silver that has been worked on alot but I'm putting it right. Problem is they wired around the pump plugs and I'm thinking pump 1 is wired to 2 and visa versa. Since it originally came with 2 mp-160s I'm trying to figure which is the circ pump. In my mind the circ would be closest to the heater since they run out in different directions. Anyone got any thoughts. Quote Link to comment Share on other sites More sharing options...
Johnnyonnit Posted October 15, 2021 Author Report Share Posted October 15, 2021 Oh and the heater and ozonator are together which also clues me to believe they have it hooked up backward. Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted October 15, 2021 Report Share Posted October 15, 2021 Pics? A "circ" pump is typically a small pump that feeds the heater and runs 24/7. It is not pump 1 or 2. Many spas do not use a circulation pump The pump used for filtering and heating in a non-circ pump spa is pump 1, and is 2 speed and plumbed to the heater and filters. Proximity does not matter, follow the pipes from heater to pump and that's pump 1. 1 Quote Link to comment Share on other sites More sharing options...
Johnnyonnit Posted October 16, 2021 Author Report Share Posted October 16, 2021 Thank you Quote Link to comment Share on other sites More sharing options...
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