Right now the best price with coupon code for Water Heater is 55.43 USD (in Banggood). Go down and check coupons out. Remember to check price history if it is available. You probably want to know what is the best price?
Latest price update (UTC time):
Banggood (55.43 USD)
Banggood warehouse is located in China. I’m afraid that there’s no working coupon in Banggood. Is it a reasonable price for this item? Hmmm, price is higher than average (which is 31.32 USD right now), so better set price alert down below…
Link: Banggood product page
Price: 55.43 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG250ccd, BG26776b, Cuponation9, BG0129d3, BG524ceb, BG735a15, BGRFANSD01, BGNINEF42, BGd2902b, BGdfbf61, BG5d9482, BGb2361c, BG69967f, BG02b07a, BG55e622, BG589b2e, BGf625a4, BG8FORMULAMX
(there’s a little possibility that old coupon will work)
Aliexpress
Click here… to search for 3500W 220V Mini Electric Water Heater Tankless on Aliexpress
Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for 3500W 220V Mini Electric Water Heater Tankless is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).