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Hardwired WiFi Switch - White with White Wallplate



  • Comes with a white faceplate and a white wallplate
  • No automation hub required and the sleek design means this control presents a streamlined appearance when installed
  • Works with My Leviton, Amazon Alexa, Hey Google, Apple Home/Siri, Schlage, SmartThings, or IFTTT (no hub required)
  • Can be controlled/programmed remotely via a smart device
  • Can also use the free 'My Leviton' app to set a schedule for your radiant heating device

Support Page
Quebec Repairability Notice

Notices

Quebec Repairability Notice

Avis important pour les consommateurs du Québec:

WarmlyYours ne fournit ni services de réparation ni pièces de rechange pour ce produit. Si votre thermostat de chauffage de sol intérieur tombe en panne pendant la période de garantie, nous remplacerons l'unité complète conformément à notre politique de garantie. Notre équipe de soutien technique est disponible par téléphone 24h/24 et 7j/7 pour l'assistance à l'installation et au dépannage. Pour tous les détails, veuillez consulter notre Politique de Retour. Cet avis est fourni conformément à l'article 39 de la Loi sur la protection du consommateur du Québec (telle que modifiée en 2025).

Important Notice for Québec Consumers:

WarmlyYours does not provide repair services or replacement parts for this product. If your indoor floor heating thermostat fails within the warranty period, we will replace the entire unit according to our warranty policy. Our technical support team is available 24/7 by phone for installation and troubleshooting assistance. For full details, see our Return Policy. This notice is provided in accordance with Québec’s Consumer Protection Act, section 39 (as amended in 2025).

Description

The Hardwired WiFi Switch from WarmlyYours is an elegant and convenient control option for towel warmers or infrared heating panels. This version comes with a white faceplate and a white wallplate that allow this control to blend seamlessly with a wide variety of decors and room designs.  

This WiFi enabled control opens a variety of possibilities for how you operate your device. You can use it manually in-person like a traditional light switch or you can operate it remotely with your smart device. Additionally, this control can be partnered with various home automation systems like Amazon Alexa, Google Assistant, Apple Home/Siri, Schlage, and SmartThings. You can also use the free “My Leviton” app to set a schedule for your radiant heating device. There’s no automation hub required and the sleek design means this control presents a streamlined appearance when installed.

Features: 

  • Comes with a white faceplate and a white wallplate
  • Works with My Leviton, Amazon Alexa, Hey Google, Apple Home/Siri, Schlage, SmartThings, or IFTTT (no hub required)
  • Can be controlled/programmed remotely via a smart device
  • Hardwired 120 VAC electrical connection
  • Can be used to control hardwired towel warmers or infrared heating panels 
  • Safe: cCSAus listed
  • 5-year limited warranty
  • Lifetime technical support from WarmlyYours  

Specifications

Installation (GK16-30090-0003-A)

Circuit Type Single Pole / Multi-Location with Companion
Control Faceplate Compatibility D315S: Leviton DDKIT-S color-change faceplates
Indoor Outdoor Usage Indoor
Mounting Type Wall Mount
Multi Location Companions D315S: DD0SR wired switch companion or DAWSC wire-free Anywhere Switch Companion
Neutral Wire Required Yes
Terminal Type Wire Leads

Appearance (0099-30870-0002)

Color White

Appearance (GK16-30090-0003-A)

Color White
Mounting Method In-wall, single-gang box

Electrical (GK16-30090-0003-A)

Connection Method Hardwired
Frequency 60 Hz
Load Ratings D315S: 15 A general use; 3 A LED/CFL; 1/3 HP motor.
Maximum Load Resistive Only 15 A
Power Source Type Corded Electric
Voltage 120 V

Connectivity (GK16-30090-0003-A)

Connectivity Protocol Wi-Fi
Control App My Leviton for iOS and Android; web access
Hub Required No hub required for My Leviton Wi-Fi control
Smart Home Compatibility D315S: Matter, Amazon Alexa, Google Home, Apple Home/Siri, SmartThings, Home Assistant, Sonos and Resideo
Voice Control Compatible with Amazon Alexa, Google Assistant, Apple Home, SmartThings, and Matter support can be enabled with a firmware update via the My Leviton app
Wi-Fi IEEE Standards 802.11 a/b/g/n
Wi-Fi Radio Frequency Bands 2.4 GHz
Wifi Network 802.11 b/g/n, 2.4 GHz only
Works with Compatible with Amazon Alexa, Google Assistant, Apple Home, SmartThings, and Matter support can be enabled with a firmware update via the My Leviton app

Product Dimensions (GK16-30090-0003-A)

Control Body Depth 1.09″
Depth 1.77″
Height 4.66″
Wallplate Depth 0.218″
Weight 0.8 lbs
Width 2.92″

Control (GK16-30090-0003-A)

Control Manufacturer Leviton
Manufacturer Control Model D315S-1BW
Manufacturer Model History Current supplier model D315S-1BW replaced D215S-1BW on 2026-05-12. Earlier units use DW15S/D215S documentation; generation-specific ratings and accessories below describe D315S.
Number Of Positions 2
Operation Mode ON-OFF
Scheduling Features Timed on/off schedules; sunrise/sunset scheduling; auto-shutoff; scenes; away-mode randomization
Switch Type Rocker

Environmental (GK16-30090-0003-A)

Lower Temperature Rating 0 °C
Operating Humidity 10–90% RH, non-condensing
Upper Temperature Rating 40 °C

Warranty (GK16-30090-0003-A)

Manufacturer Warranty D315S: 1-year limited manufacturer warranty; WarmlyYours product warranty is listed separately.

Identifiers (0099-30870-0002)

SKU 0099-30870-0002
UPC (GTIN-12) 881308071844

Identifiers (GK16-30090-0003-A)

SKU GK16-30090-0003-A

Certifications (GK16-30090-0003-A)

Specification Met UL, FCC, CSA, NOM, Wi-Fi, Title 24, Matter

Warranty / Certifications (GK16-30090-0003-A)

Warranty 5-year limited warranty

Product Dimensions (0099-30870-0002)

Weight 0.05 lbs

Connectivity (0099-30870-0002)

Wi-Fi IEEE Standards 802.11 a/b/g/n
Wi-Fi Radio Frequency Bands 2.4 GHz

Frequently Asked Questions

Showing all 2 questions

In Step 2 of the process, where you attempt to connect directly to the Decora Smart Wi-Fi device that is listed in the Wi-Fi networks (it will be listed in the format of Leviton Device-xxxx), instead of connecting you receive a message stating it is "unable to connect" or simple never connects (e.g. no check mark next to the device).
If the device connects and you see this screen, skip to Decora Smart Wi-Fi device will not connect to the Wi-Fi Network or Leviton Cloud.
If the mobile device does not connect to the Decora Smart Wi-Fi device at this step, please follow these troubleshooting step:

  1. Make sure you have the latest version of the My Leviton App. To ensure that you are running the latest version of the app, check for a My Leviton app update on the Apple App store or Google Play store.
  2. If available, try using a different mobile phone or tablet running the My Leviton app. Follow Steps 1 and 2 and see if you are able to connect to the device. If you are able to connect, see if you can complete the process.
  3. Contact our technical support team at dssupport@leviton.com. Please include the type and model of mobile devices you are using and the model number of the Decora Smart device.
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Yes, when using our Hardwired WiFi Switch which works with Amazon's Alexa, Google Assistant, or the Nest Thermostat (no hub required).

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