Review on Efficient 12V Solar Water Heater Circulation Pump with Low Noise - bayite BYT-7A015 by Reggie Stewart

Finally got around to installing this unit. Despite refueling when it was on the bottom of the 55-gallon tank, it didn't rock. There was no cavitation, it just wasn't pumped. I have contacted the seller. If they fix it I'll upgrade my rating but it's less than useless for now. . . It took me time and effort to fix the problem, which no one should do with a new product. Update: The seller contacted me and offered to prime the pump. It is also recommended to fully submerge the pump. So I tried again and completely submerged the pump in water - with the same result. It just squirts and produces about 2 cups of water per minute. I will keep you informed if it is replaced or refunded as requested. Update: The seller said if I tested it and it still doesn't work he will replace it. If so, I'll let you know and improve my rating. So far it looks like a good seller. Update The seller has sent a working replacement unit. Excellent service for a broken device! 4 stars because the first one didn't work, but the seller was honest and fixed everything quickly. Many Thanks.