Z WAVE PLUS ENERWAVE Z-Wave Plus Relay Review (2026): A Spec-Based Look
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
This z wave plus enerwave z wave plus review focuses on the ENERWAVE relay module, a discreet device designed to retrofit existing wall switches. It operates as a hidden smart switch, allowing you to control lights and ceiling fans wirelessly. The two defining specs are its Z-Wave Plus connectivity and its 10A maximum load capacity. By installing behind your current switch, it upgrades your home automation system without replacing hardware. It requires a neutral wire and a Z-Wave hub to function properly. This relay acts as a repeater, extending your network range while maintaining manual switch functionality.
What stands out
- Z-Wave Plus connectivity for improved range and bandwidth
- 10A maximum load suitable for lights and fans
- Acts as a Z-Wave repeater up to 100ft
- Single pole circuit type with neutral wire requirement
- Works with Alexa for voice control
Who it fits
Good fit for
You should consider this relay if you want to automate existing switches without rewiring your entire home. It suits users with Z-Wave hubs and neutral wires in their switch boxes. The 10A load rating makes it ideal for standard lighting circuits and ceiling fans. If you value keeping your original switch aesthetic while gaining remote control, this hidden module fits your setup. It also benefits those needing signal repeaters to strengthen their Z-Wave mesh network.
Who should skip it
You should look elsewhere if your switch box lacks a neutral wire, as this module requires one to operate. It is not suitable for direct Wi-Fi or Bluetooth control since it depends on a Z-Wave hub. If you prefer a visible smart switch rather than a hidden relay, this discreet design may not meet your needs. Additionally, users without a Z-Wave ecosystem or Alexa account will find limited utility, as these are required for its primary smart functions.
Verdict: This relay offers a practical way to automate existing switches with solid Z-Wave Plus specs. It is a strong choice for users with neutral wires and established Z-Wave hubs.
Key specs explained
Connectivity: Z-Wave Plus
Z-Wave Plus is the latest iteration of the Z-Wave standard. It offers improved battery life and greater wireless range compared to older versions. You benefit from more reliable connections and increased bandwidth for your smart home devices. This makes it a better choice than older Z-Wave modules when you want a stable network that handles more commands without lag or dropped signals.
Maximum Load: 10A
This rating indicates the maximum electrical current the relay can handle. You can safely control lights and ceiling fans that draw up to 10 amps. If your fan or light fixture exceeds this limit, the device may fail or become unsafe. Check your appliance’s amperage rating before buying. This spec is critical for ensuring your smart switch can actually power the devices you intend to control.
Wiring Requirement: Neutral Wire Required
This device needs a neutral wire in your switch box to function. Many older homes lack this wire, so you must verify your wiring before installation. If your box only has hot and switch legs, this relay will not work. This requirement distinguishes it from switch-only models that do not need a neutral connection. Always check your existing wiring to avoid compatibility issues.
Hub Requirement: Z-Wave Hub Required
You cannot use this device with just a smartphone or Wi-Fi. It requires a dedicated Z-Wave hub to connect to your network. This hub acts as the central brain for your smart home. If you already have a Z-Wave hub, you can add this relay. If not, you will need to purchase a compatible hub separately to enable remote control and automation features.
Design and build
The ENERWAVE relay module is a compact unit with a black finish, according to the listing. Its dimensions are 1.63 inches by 1.63 inches by 0.82 inches. This slim profile allows it to fit inside standard electrical boxes. You install it behind an existing wall switch. The device hides from view while upgrading your home automation system. You keep your original physical switches for local control.
The layout is simple. There are no external buttons or displays on the module itself. You control it through your Z-Wave hub or compatible app. The single pole circuit type means it works with one switch controlling one load. You need a neutral wire for installation. This requirement is standard for many smart devices but limits where you can place it.
The finish is durable enough for hidden installation. The FCC and ETL listings suggest it meets safety standards. You do not need to worry about exposed components. The hidden design keeps your walls looking clean. You get smart control without changing the look of your home. The slim size ensures it fits in most boxes. You can upgrade lights or ceiling fans easily. The module acts as a repeater to extend your Z-Wave range. This adds value to your network setup without extra hardware.
Setup and everyday use
Setting up this relay requires a Z-Wave hub and a neutral wire in your wall box. The device installs behind your existing wall switch. This allows you to keep the original physical switch while adding smart control. You do not need to replace the switch itself. The module connects to your home automation system via Z-Wave Plus. This protocol uses the 908.42MHz frequency. It also acts as a repeater. This extends the Z-Wave signal range by up to 100 feet. This helps maintain a stable network for other devices. You can control the connected appliances from any internet-connected smartphone, tablet, or computer. The relay supports Single Pole circuits. It handles a maximum load of 10,000mA or 10A. It is compatible with 120-277VAC power at 50/60Hz. This makes it suitable for most standard lights and ceiling fans. You can also use voice commands through Alexa. The system remains functional even if the module fails. The physical switch continues to operate locally. This ensures you can always control your lights or fans manually. The slim design fits discreetly into standard electrical boxes. You benefit from improved battery life and wireless range due to the Z-Wave Plus standard. The device is FCC and ETL listed. This indicates it meets specific safety and regulatory standards for consumer electronics.
Before You Buy This Relay
You must have a Z-Wave hub to use this device. The listing confirms that a hub is required for operation. Without one, the relay cannot connect to your network. You also need a neutral wire in your switch box. The specs state this is a mandatory wiring requirement. If your existing box lacks a neutral, this unit will not install correctly. The device works with Alexa, but you should verify your hub supports Z-Wave Plus for the best range. This relay extends your Z-Wave signal up to 100 feet. It acts as a repeater for your smart home network. This fits well alongside smart thermostats that also use Z-Wave. You can group these devices for unified automation. Keep your original wall switch for manual control. The slim design hides behind the plate. Ensure your lights or fans draw no more than 10 amps. This keeps the load within safe limits for the relay.
Check before you buy
- Confirm you own a Z-Wave hub
- Check for a neutral wire in the box
- Verify fan or light load is under 10A
- Ensure switch box fits 1.63 by 1.63 inches
The product at a glance
ENERWAVE Z-Wave Plus Hidden Fan Relay
Best for: retrofitting existing wall switches
- Smart Home Compatibility
- Alexa
- Hub Requirement
- Z-Wave Hub Required
- Connectivity
- Z-Wave Plus
- Wiring Requirement
- Neutral Required
- Circuit Type
- Single Pole
- Switch Function
- Relay
View on Amazon: ENERWAVE Z-Wave Plus Hidden Fan Relay Affiliate link
The Enerwave Z-Wave Plus Relay lets you upgrade an existing wall switch without replacing it. It connects via Z-Wave Plus and requires a neutral wire and hub. This single-pole relay handles up to 10A at 120-277VAC. It acts as a repeater to extend signal range. You can control lights and fans remotely. It is a practical solution for retrofitting smart home automation into older wiring setups.
Pros
- Installs behind existing wall switches
- Acts as a Z-Wave repeater
- Handles up to 10A maximum load
- Compatible with Alexa
Cons
- Requires a neutral wire for installation
- Requires a separate Z-Wave hub
- No physical remote included
Good fit if
- You want to keep your existing wall switches
- You need a device that extends Z-Wave range
- You have a neutral wire available
Skip if
- You do not have a Z-Wave hub
- Your switch box lacks a neutral wire
- You prefer a standard single-pole switch without automation
Verdict: Enerwave Z-Wave Plus Relay Switch is a compact retrofit solution for users who want to automate existing switches without rewiring. It fits homes where a neutral wire is present and a hub is already in use.
Specifications side by side
| Spec | ENERWAVE Z-Wave Plus Hidden Fan Relay |
|---|---|
| Smart Home Compatibility | Alexa |
| Hub Requirement | Z-Wave Hub Required |
| Connectivity | Z-Wave Plus |
| Wiring Requirement | Neutral Required |
| Circuit Type | Single Pole |
| Switch Function | Relay |
| Maximum Load | 10A |
| Application | Lights, Ceiling Fans |
| Dimensions | 2.91 × 2.64 × 1.65 inches |
| Color | Black |
| Model | ZWN-RSM1-PLUS |
Frequently asked questions
Can I use this relay with ceiling fans?
Yes, the Enerwave Z-Wave Plus Relay is designed for lights and ceiling fans. You can control these devices wirelessly while keeping your existing wall switch. This makes it a versatile option for automating multiple types of fixtures in your home without replacing the physical controls.
Does this device require a neutral wire?
Yes, a neutral wire is required for installation. The product data specifies that the unit needs a neutral connection to function. You must verify that your electrical box has a neutral wire before purchasing. Without it, the relay cannot complete its circuit for smart operation.
What is the size of the Enerwave relay module?
The module measures 2.64 inches in width, 1.65 inches in height, and 2.91 inches in length. This compact form factor allows it to fit inside standard electrical boxes behind existing switches. The black finish helps it blend in discreetly within your home's wiring infrastructure.
Do I need a hub to operate this switch?
Yes, you must have a Z-Wave hub to use this device. The relay connects via the Z-Wave protocol, which requires a central controller to process commands. Without a compatible hub, the device cannot communicate with your smart home network or respond to remote controls.
Is this a standalone smart switch or a relay?
This is a relay module, not a standalone switch. It installs behind your existing wall switch to automate it. You retain the physical switch for manual control while gaining the ability to manage the light or fan remotely through your hub. It is a retrofit solution.
What connectivity standard does this Enerwave relay use?
The device uses Z-Wave Plus connectivity. This standard offers improved battery life and greater wireless range compared to older versions. You benefit from more reliable connections and increased bandwidth for your smart home devices. It ensures stable communication with your hub and other Z-Wave products.
Can I control the fan speed with this relay?
The product data lists ceiling fans as an application, but does not specify speed control capabilities. This relay primarily handles on/off automation for lights and fans. You should check your fan manufacturer's specifications to ensure compatibility with standard relay-based control systems for speed adjustments.