aqi32 Posted February 25, 2023 Report Share Posted February 25, 2023 Hey guys, i have an older 2 person spa with balboa controls etc, ciec pump is on but heat led is not on. I have tested flow sensor, fine it cuts out pump if I block jets can hear click of sensor and pump turn off so flow not an issue, there is no voltage at the heater (2kw). Pretty sure it's the relay. I don't want to shell out for a new board.. So can i swap relay? Would it involve desoldering etc? Or can i add pump wiring onto pump wiring, if i turn temp down below water temp flow cuts, so obviously reacting fine, would i be correct in assuming once desired temp is reached then it cuts out the circ pump ( and would also therefore cut out heater? Thankyou Quote Link to comment Share on other sites More sharing options...
cranbiz Posted February 26, 2023 Report Share Posted February 26, 2023 You can replace the relay if you can solder/desolder. Relays are available on Amazon. Quote Link to comment Share on other sites More sharing options...
aqi32 Posted March 1, 2023 Author Report Share Posted March 1, 2023 Thanks, yep can solder, cool i'll have a look Quote Link to comment Share on other sites More sharing options...
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