ColdSpa Posted November 18, 2006 Report Share Posted November 18, 2006 Here's the story: I bought a house, with a Cal Spas PS-4 (1992?) 220V spa. It was working when I purchased the house. I then drained it, and refilled it. It was still working. A few weeks ago I cleaned the filter, and I think some air got in the system. I believe that I was able to bleed that out as the jets no longer have any bubbles in the system. On the control panel in the equipment area of the spa, the heater light is on. However, it does not heat. It sounds like it's kicking on, but there is no increase in temperature, and looking at my electric meter on the house, it doesn't look like it's drawing that much power, as before the meter went crazy when it was heating...and now it just moves slowly. It appears as if the high-temp switch is okay, as I push it in and it doesn't move. Does anybody have a suggestion? Is it most likely the element? Like I said, I had no troubles before, but it has seemed to quit on me now. Thanks! Quote Link to comment Share on other sites More sharing options...
Pathfinder Posted November 18, 2006 Report Share Posted November 18, 2006 I believe your tub is equipped with a flow switch (odd shaped box plumbed in beside the heater) now it could be 1 of 2 things either your thermostat is toast and needs to be replaced or you need to adjust your flow switch open the top of the flow switch there will be a set screw on the end with a screwdriver adjust the set screw but first turn your dial up to where you will here a click when you adjust the set screw your heater should turn on if not you will need to replace the thermostat. Quote Link to comment Share on other sites More sharing options...
Roger Posted November 18, 2006 Report Share Posted November 18, 2006 I believe your tub is equipped with a flow switch (odd shaped box plumbed in beside the heater) now it could be 1 of 2 things either your thermostat is toast and needs to be replaced or you need to adjust your flow switch open the top of the flow switch there will be a set screw on the end with a screwdriver adjust the set screw but first turn your dial up to where you will here a click when you adjust the set screw your heater should turn on if not you will need to replace the thermostat. 1992....yes it could be the heating element also, check it's resistance. Flow switch first, thermostat 2nd and element 3rd Quote Link to comment Share on other sites More sharing options...
ColdSpa Posted November 20, 2006 Author Report Share Posted November 20, 2006 1992....yes it could be the heating element also, check it's resistance. Flow switch first, thermostat 2nd and element 3rd Indeed the element went bad. I'll be taking a HOT tub tonight! Thanks all! Quote Link to comment Share on other sites More sharing options...
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