Used spa...2004 era. Just got it going a few days ago and all went well until today when the GFCI kept tripping. I'm seeing a small leak from around the heater. Heater is a tube like thingy under a Hydroquip 6230 controller). I'm guessing that the heater is causing the GFCI trip somehow (noted a chap on here said that was his problem on a tub in Mexico).
Think my diagnosis is correct and I should go ahead and get a heater? Thanks in advance, Steve