$42.99 – Tuya Smart WiFi Thermostat Wireless Water Floor Heating Gas Boiler Temperature Controller Smart Life APP Voice Control with Alexa Google Assistant – White with Tuya.
I have checked all old coupons and price is $42.99 for Tuya Smart WiFi Thermostat Wireless Water Floor Heating Gas Boiler Temperature Controller (in Banggood). Price history, coupons and price alert are available on this page. Let’s see what best price is ATM.
Latest coupon code price check (UTC time):
Banggood ($42.99)
Banggood warehouse is located in China. Good or bad price? Well, according to CouponsFromChina database this price is the best in history (2 records). We have found one coupon for this product!
Link: Banggood product page
Price without coupon: $44.99
1. ($42.99): NewYear140
apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for Tuya Smart WiFi Thermostat Wireless Water Floor Heating Gas Boiler Temperature Controller. The lowest price was: $42.99.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).