Hi. New to the forum (and the world of hot tubs) and just picked up a 2004 HotSpring Sovereign tub. Set it up and the wife and I used it last night for the first time--WONDERFUL! Especially the lounge seat-wow. Anyway, after a cold night (by SW Florida's standards), this morning I noticed that the green ready light was still on. I lifted the cover and, sure enough, it was still hot! Is this thing insulated that well or does the heater still function even with the jets off? I couldn't find the answer in the manual, and I apologize if there is an obvious answer to this--I'm just a hot tub noobie...
Thanks,
Vin