Author Topic: 240 heating element confusion (Read 2195 times)

Kenjrsmith · « **on:** June 17, 2016, 02:17:07 pm »

Ok I wanted to make sure a heating element worked, so I took a couple of old ones and just ran 120 to one side of the element and 120 to the other side. But it wouldn't heat up. I hooked 120 to one side then neutral to the other side and then it heated up.,..but when I look at hot tubs that r working properly the heating element has 120 on both sides and it works....so why when I try it out of the heater assembly it only heats up when neutral is hooked up to one side of the element

Hot Tub Forum · « **on:** June 17, 2016, 02:17:07 pm »

Dr. Spa� Ret. · « **Reply #1 on:** June 18, 2016, 11:32:06 am »

If you're using the SAME phase of 120v, it won't operate. If it heats on 120v, it'll heat on 240 (PROPER 240v).

If you don't understand this, I'd REALLY suggest a qualified service tech or an electrician.

Hot Tub Forum · « **Reply #1 on:** June 18, 2016, 11:32:06 am »

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