A thermostatic shower system helps hold your chosen water temperature steady when pressure changes, but “digital” can mean very different things: a separate electronic controller, a valve-and-trim kit, or simply a temperature display. The picks below include both complete shower sets and individual Moen components, so check what is included and what else you’ll need before buying. For a new installation or a change to your plumbing, confirm connection sizes and compatibility with a qualified installer.
| Product | Type | Best for | Important note |
|---|---|---|---|
| Moen S3102 2-Outlet Digital Thermostatic Valve | Valve component | A two-fixture Moen digital setup | Controller and shower fixtures are separate |
| Iriber Wall-Mount Thermostatic Shower System | Shower set with valve | A rainfall head and handheld in one package | Not a digital controller system |
| Moen TS3302BL 2-Outlet Digital Controller | Digital controller | Adding electronic controls to a compatible Moen system | Requires the S3102 valve, sold separately |
| Moen S3104 4-Outlet Digital Thermostatic Valve | Valve component | A compatible Moen setup with larger connections | Controller and shower fixtures are separate |
| Longriver 3-Button Shower Set with Temperature Display | Shower set with display | A multi-spray set with a visible temperature reading | Uses a pressure-balance valve, not a thermostatic valve |
Table of Contents
Our Picks: Best Digital Shower Systems With Thermostatic Controls reviews
1. Moen S3102: A Flexible Valve for a Two-Outlet Digital Shower
The Moen S3102 is the thermostatic valve component of a digital shower, not a complete shower kit. It uses Moen’s ExactTemp control to help maintain your chosen temperature and has two outlets for fixtures such as a showerhead and hand shower. Its standard 1/2-inch connections may suit projects designed around that size.
The compact valve is designed to fit a standard 2×4 wall, and the included 30-foot data cable gives some flexibility when positioning compatible controls. To operate it as a smart digital shower, you’ll need a compatible Moen controller, sold separately, as well as the shower fixtures. The valve must also be installed where the surrounding temperature stays within the manufacturer’s stated limits—not above 104°F or where freezing can occur.
This is a strong starting point if you are building a Moen system and want two independently connected fixtures. It is less suitable if you expect a ready-to-install shower set or do not want to purchase and coordinate separate components. Check the controller and plumbing compatibility before ordering.
Pros:
- Thermostatic control designed to maintain a selected temperature
- Two outlets for common fixture combinations
- Standard 1/2-inch connections
- Compact design and long data cable offer installation flexibility
Cons:
- Controller and shower fixtures are not included
- Must be paired with a compatible Moen digital system
Verdict: Choose the S3102 if you want the valve foundation for a two-outlet Moen digital shower and are prepared to buy the controller and fixtures separately.
2. Iriber Thermostatic Shower Set: Rainfall and Handheld in One Package
Unlike the Moen valve components, this Iriber package includes the main shower parts: a 10-inch rainfall head, handheld shower, hose, arm, holder, and brass thermostatic mixer valve. The manufacturer says the valve is designed to reach the selected temperature quickly and keep it steady as water pressure changes.
The concealed wall-mount design keeps the visible setup streamlined, while the supplied materials include ABS showerheads, a brass arm and holder, and a stainless-steel hose. Its 1/2-inch NPT connector is a useful detail to check against your existing plumbing. Although this set provides thermostatic mixing, it is not presented as an electronic or smart-controller system, so it suits shoppers who value temperature stability and a complete fixture package over digital controls.
The package can simplify shopping compared with assembling a system from separate parts, but installation still depends on your plumbing layout and the included instructions. Confirm the finish and material choices meet your needs, and make sure the concealed valve can be fitted correctly before closing the wall.
Pros:
- Includes a thermostatic mixer valve and two shower outlets
- Rainfall head and handheld provide different ways to shower
- Concealed design leaves a cleaner-looking wall
- Uses a stated 1/2-inch NPT connector
Cons:
- Does not include a digital controller
- ABS showerheads may not suit shoppers seeking all-metal fixtures
Verdict: Pick the Iriber if you want a bundled rainfall-and-handheld shower with a thermostatic valve, but not an electronic digital control system.
3. Moen TS3302BL: A Two-Outlet Digital Controller with Voice Options
The TS3302BL is the electronic control unit for a compatible Moen thermostatic shower system. Its 5-inch LCD screen uses soft-touch buttons to manage temperature, power, presets, and two outlets. The matte-black finish gives the visible control a modern look.
Moen lists voice control through Amazon Alexa, Apple Siri/HomeKit, Google Assistant, and the U by Moen app. The system can also notify you when the water is ready and pause the flow until you are ready to step in. These features depend on setting up the compatible system; this controller alone does not control water without the required Moen S3102 valve, which is sold separately.
This component makes the most sense when you already have, or are planning, a compatible Moen installation. It is not a standalone faucet trim kit, and buyers should confirm that the valve and controller match before purchasing. If you only want a simple thermostatic mixer without smart features, the Iriber set is a more complete package.
Pros:
- Electronic controls for temperature and two outlets
- Voice-assistant and app control options are listed
- Water-ready notification and automatic pause feature
- Matte-black finish and readable LCD screen
Cons:
- Requires a compatible S3102 thermostatic valve, sold separately
- Does not include shower fixtures
Verdict: Choose the TS3302BL as the control interface for a compatible Moen setup, not as a complete shower system on its own.
4. Moen S3104: A Four-Outlet Valve for a Larger Digital Setup
The S3104 is a Moen digital thermostatic valve component with 3/4-inch connections. Its title identifies it as a four-outlet valve, making it a potential fit for a more involved shower layout with several fixtures. It uses Moen ExactTemp technology to help maintain a selected temperature.
This is not a complete shower system: you’ll need a compatible Moen controller and the fixtures for your planned layout. The product information lists compatibility with Moen’s four-outlet digital system controllers, sold separately. The larger connection size is a key installation factor, so compare it with your plumbing plan rather than assuming it will replace a 1/2-inch valve directly.
The S3104 is best suited to a renovation where multiple outlets and the matching Moen controls are already part of the design. For a simpler two-fixture arrangement, the S3102 has 1/2-inch connections and may be a closer match. Product information includes a conflicting outlet description in one section, so verify the exact valve configuration with the seller or manufacturer before purchasing.
Pros:
- Thermostatic valve designed for precise temperature control
- Four-outlet model for a more complex fixture plan
- Brass construction
- Designed for use with compatible Moen digital controllers
Cons:
- Controller and shower fixtures are sold separately
- 3/4-inch connections may not match existing 1/2-inch plumbing
Verdict: Consider the S3104 when your project calls for a compatible four-outlet Moen system and your plumbing supports its 3/4-inch connections.
5. Longriver 3-Button Set: A Multi-Spray Shower with a Temperature Display
The Longriver package combines a rainfall showerhead, body spray, and handheld shower with a three-button diverter and an LED temperature display. Its display is described as hydropowered, so it does not need wiring or an external power supply. The set also includes a brass valve body and trim.
A temperature display can make it easier to see the water temperature at a glance, but it is important to distinguish that feature from thermostatic control. The supplied information identifies this model’s cartridge as pressure balance, not thermostatic. It may help maintain more stable temperature and pressure, but it does not meet the same thermostatic-control description as the Moen valves or Iriber mixer.
This is the most fixture-rich package in the group, with three spray choices and a visible display. It could suit shoppers who want those features in one set, provided they understand the valve type. If your priority is a true thermostatic valve, choose one of the thermostatic options instead.
Pros:
- Includes rainfall, body-spray, and handheld options
- Hydropowered LED display shows water temperature
- Three-button diverter controls the spray choices
- Brass valve body and stated lifetime limited warranty
Cons:
- Uses a pressure-balance cartridge rather than a thermostatic valve
- The temperature display does not make it a digital thermostatic system
Verdict: Choose Longriver for a multi-spray set with a temperature readout, but skip it if a thermostatic valve is a firm requirement.
How to Choose a Digital Shower System with Thermostatic Controls
Know whether you need a complete set or a component
Some products in this category are complete shower packages; others are only a valve or controller. The Moen S3102 and S3104 are valves, while the TS3302BL is a controller. They need matching components and shower fixtures to form a working setup. The Iriber package includes a valve and shower fixtures, but it does not include electronic controls. Check the included-parts list before comparing options.
Confirm that the valve is truly thermostatic
A temperature display shows a reading; it does not, by itself, mean the valve actively controls temperature. Look for clear product information identifying a thermostatic valve or mixer. The Iriber and Moen valve listings describe thermostatic control. The Longriver listing specifies a pressure-balance cartridge, so it should not be treated as a thermostatic model.
Match the number of outlets to your shower plan
Think about which fixtures you want to use, such as an overhead shower, a handheld sprayer, or body sprays. A two-outlet valve may suit a simpler layout, while a larger system may call for more outlets. Check the valve’s actual outlet configuration and compatible controller. Product details can be inconsistent, so verify the model specifications before planning the plumbing.
Check connection size and plumbing compatibility
Connection size can affect whether a valve fits your project. The S3102 has 1/2-inch connections, while the S3104 uses 3/4-inch connections. The Iriber set lists a 1/2-inch NPT connector. Confirm the connection type and size against your existing plumbing or renovation plan, and ask a qualified installer if you are unsure.
Decide whether smart controls matter to you
A digital controller can offer features such as electronic temperature adjustment, presets, app access, or voice-assistant control, depending on the system. A thermostatic mixer can provide temperature control without those smart features. Choose based on how you want to operate the shower, not just whether the listing uses the word “digital.”
Plan the installation before closing the wall
Concealed valves need to be installed correctly and coordinated with the controls and fixtures. Confirm the wall space, cable routing, outlet layout, and manufacturer temperature limits before installation. Because a mistake behind the wall can be costly to fix, use a qualified plumbing professional for complicated or unfamiliar work.
Frequently Asked Questions
What is the difference between a thermostatic valve and a temperature display?
A thermostatic valve is designed to regulate water temperature around your chosen setting. A display shows a temperature reading, but it does not necessarily control the water. Check the valve type rather than relying on the presence of a screen.
Is the Moen TS3302BL a complete shower system?
No. It is a digital controller and requires a compatible Moen S3102 thermostatic valve. Shower fixtures are also separate.
Can the Moen S3102 operate by itself?
The S3102 is a valve component for a Moen digital shower setup. The listing identifies compatible digital controllers as separate purchases, and the valve does not include shower fixtures.
What is the main difference between the Moen S3102 and S3104?
The S3102 is the two-outlet model with 1/2-inch connections. The S3104 is identified as a four-outlet model with 3/4-inch connections. Match the model to your planned fixtures, plumbing, and compatible controller.
Does the Iriber system have digital controls?
The Iriber set includes a thermostatic mixer valve, rainfall showerhead, and handheld shower, but the supplied product information does not describe an electronic digital controller.
Is the Longriver shower set thermostatic?
The supplied information identifies its cartridge as pressure balance, not thermostatic. It has a hydropowered temperature display, but the display does not change the valve type.
Do I need a plumber to install a digital shower valve?
Installation depends on your plumbing, wall access, and experience. Because these products may require concealed valve work and careful compatibility checks, a qualified plumber is a sensible choice for most new installations or major replacements.
Final Recommendation
For a digital system with thermostatic control, the Moen S3102 is the most straightforward starting point for a two-outlet setup, while the S3104 is worth considering for a compatible layout that needs its larger connections and outlet configuration. Remember that both are valve components, not complete shower kits. If you want a bundled shower set with a thermostatic mixer and do not need smart controls, the Iriber is the clearer all-in-one option. The Longriver set offers a useful display and several spray choices, but its pressure-balance valve makes it a different kind of product.
