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🔥 Stay warm, save smart — the thermostat that works as hard as you do!
The Zero KST202 is a UL-certified single throw electric thermostat designed for single element water heaters. Operating within a 120 to 480 VAC range, it features an adjustable energy-saving temperature setting and a built-in safety switch to prevent overheating. Its reliable, easy-to-install design ensures quick restoration of hot water, making it a cost-effective solution for modern homes and professional spaces alike.
| ASIN | B07F8R4G13 |
| Additional Features | Programmable |
| Backlight | Yes |
| Best Sellers Rank | #128,315 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #194 in Home Programmable Thermostats |
| Brand Name | Z |
| Color | Kst202 |
| Connectivity Protocol | Wi-Fi |
| Connectivity Technology | Wi-Fi |
| Control Method | Touch |
| Control Type | Button Control |
| Controller Type | Push Button |
| Customer Reviews | 4.6 4.6 out of 5 stars (180) |
| Display Type | LCD |
| Included Components | Single Element Electric Thermostat |
| Manufacturer | Longterm |
| Manufacturer Part Number | KSD202 |
| Model Number | KSD202 |
| Mounting Type | Wall Mount |
| Power Source | Corded Electric |
| Product Style | Minimalist |
| Shape | Rectangular |
| Specific Uses For Product | Heater |
| Specification Met | certification,ul certification |
| Temperature Control Type | Manual |
| UPC | 611864965536 |
| Unit Count | 1.0 Count |
| Voltage | 120 Volts |
J**B
Just like OEM
This is a durable replacement to the OEM units. Easy to install and have not had any fail
N**E
Please delete this review.
Lasted only a year before the lower element stopped heating.
H**P
Exactly as described!
Worked great! but our waterheater was leaking, so we threw it out.
D**.
EASY TO USE,GOOD VALUE
FIT AND WORKED PERFECT IN A SINGLE HEATING ELEMENT HOT WATER HEATER
S**N
Exactly
Used on My electric furnace was easy to install an work just like it should
W**E
Quality
Soon as I hit the power it worked like a charm starting working instantly hopefully it will last along time never had problem before with thermostat was always the elements
P**T
We have hot water again after weeks of showering at the truck stop
We just had our furnace go out and paid $500 for a fix, and then the hot water heater went out. We slowly went from only having a few minutes of warm water to 5 seconds of warm and then just cold. I replaced the heater element but still no change, and then bought another one and changed it still no luck. Frustrated and ready to shell out the money for the comfort of hot water I tried to replace the thermostat after researching more online. So I decided that I would try it and it worked!!!! We could feel the hot water in the matter of minutes! And we save hundreds on a repair
R**.
Used on incubator.
Used on DIY egg incubator to manage heat lamps. Drilled the back a bit to make it more sensitive and works really well. Hatched a few hundred chicks using this .
G**N
Fit right into the same spot as my faulty thermostat. 5 minute install, plugged the water heater back in and it fired right up. No issues, unit turns on and off at the right temperatures. I have this in my shop and it has been working for over a year now. Seems like OEM quality, no issues with the form factor or the type of materials. Very happy, this saved me a service call and a ton of money.
D**Y
Works great easy to install and the price was half of my local supplier
K**Y
Worked perfectly
R**S
Très bon produit avec rapport qualité prix
C**#
I have a 2 element water heater that I installed this thermostat and it's counterpart. The other thermostat failed and had the contacts fuse which left the bottom element on which start to overheat the tank. The overheat limit switch worked and shut down power to the elements.
Trustpilot
2 months ago
3 weeks ago