Quote Originally Posted by Sauzo View Post
Right on the website. Read the last part of the bold print.
http://www.spyderrobotics.com/index....efbuevvtf8f5p6

Lol i'm stupid. I was reading the pass through unit which I thought was what you were using. I see you actually meant the big HP unit. Yeah, that is only rated to 12.5 amps so again, the Pelonis says 13.5 amps if I remember correct so that might be your problem. But if others are using the same Pelonis unit fine, I don't know. Yeah I'm pretty worthless on this topic haha.
1500 watts = 12.5 amps @ 120v. I've also never seen a unit that pulls 13.5 amps and is able to plug into a 15 amp Recp. Generally things are built for continuous loads at 80% of the circuit rating max. I'm not even sure how they get away with 12.5 amps but I guess it's only 83% and everyone likes their even numbers. But even if there something screwy with the heater, the 900 watt setting should only be pulling 7.5 amps far below all Max ratings.