$20.99 – SONOFF TRVZB Smart Zigbee Thermostatic Radiator Valve (Banggood, Aliexpress: SONOFF TRVZB Smart Zigbe Thermostatic Radiator Valve Intelligent Thermostat Temperature Controller APP&Voice Control Work with Alexa Google Home (the best price with coupon)).
You can get SONOFF TRVZB Smart Zigbee Thermostatic Radiator Valve for $20.99 with coupon (from Banggood). Price history, coupons and price alert are available on this page. Best price?
Latest coupon code price check (UTC time):
Banggood ($20.99)
Banggood warehouse is located in China. Price? Good news! This is great price, coz it’s the lowest in CouponsFromChina database! There’re 2 active coupon codes available! Awesome!
Link: Banggood product page
Price without coupon: $25.99
1. ($20.99): BG270b72
2. ($23.99): BGca82bd
apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop.
This is the best price ever noted in my database!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
1. (14.1.2025, $22.99): BG7d3ad4
Item: SONOFF TRVZB Smart Zigbee Thermostatic Radiator Valve [EU]
Countries: Greece, Lithuania
2. (30.12.2024, $21.99): BGe25e08
Item: SONOFF TRVZB Smart Zigbee Thermostatic Radiator Valve
Countries: Germany
3. (26.11.2024, $22.82): BGRA330
Item: SONOFF TRVZB Smart Zigbee Thermostatic Radiator Valve
Countries: France, Italy
Old coupons (from the oldest to the newest): BG6bd0d3, BGfe40ba, BG0fdb5f
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – SONOFF TRVZB Smart Zigbee Thermostatic Radiator Valve [EU] ($24.99)
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
Check out price history chart (for all/most countries) for SONOFF TRVZB Smart Zigbee Thermostatic Radiator Valve. The lowest price was: $20.99.
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)).