Unbeatable Warranty

WaterRower Bluetooth Commodule

£59.00
Free Delivery!

Add Bluetooth to your WaterRower S4 and unlock powerful app-based rowing experiences.

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Please select if you are interested in professional installation and we will be in touch with a quote.
SKU: 800 UK Category: Tag: Brand:

Bring Smart Connectivity to Your WaterRower

The WaterRower Bluetooth Commodule transforms your rowing machine into a connected fitness experience. By plugging directly into the S4 Performance Monitor (Version 2 or higher), this compact device enables Bluetooth connectivity with a range of rowing apps on both iOS and Android devices.

Train Smarter with Interactive Rowing Apps

Whether you’re chasing goals or rowing for fun, the ComModule integrates seamlessly with both WaterRower-developed and third-party apps. Stream on-demand, instructor-led CITYROW GO classes, or monitor your performance in real time with WaterRower Connect. The Commodule keeps you motivated, engaged, and in control of your fitness data.

Easy Setup and Compatibility

Installation is simple—just plug the ComModule into your S4 Performance Monitor (Version 2+). Once connected, pair your device via Bluetooth and start rowing. Whether you’re training solo or following along with a class, this module is your gateway to a smarter, more interactive workout.

Note: The Commodule is not compatible with Version 1 S4 Performance Monitors.

Key features at a glance

  • Enables Bluetooth connectivity for WaterRower S4 (Version 2+)

  • Compatible with iOS and Android rowing apps

  • Access to CITYROW GO, WaterRower Connect & more

  • Real-time performance tracking and data syncing

  • Simple plug-and-play setup

  • Lightweight and compact design

  • Not compatible with Version 1 S4 Monitors

WaterRower Warranty

WaterRowers are very reliable and require no maintenance apart from adding a chlorine tablet to the water tank every 12 months. WaterRower are hand made in America and are backed by long warranties. Please see warranty details below. If you require any warranty or out of warranty repair / service work please call us now on 0800 334 5755 .

Private and Commercial Use – WaterRower will replace or repair at its factory or nominated service facility any WaterRower or WaterRower component found to be defective in material or workmanship for a period of ONE (1) YEAR from the date of initial shipment by WaterRower. The warranty is upgradeable to THREE (3) YEARS on all components and FIVE (5) YEARS on all wooden elements by registering your WaterRower within the first year of purchase.

This warranty will be invalid if, in the opinion of WaterRower, the claim has been caused by: (a) accident, abuse, misuse, misapplication or as a result of any modification other than by WaterRower, (b) deterioration due to normal wear and tear, (c) improper preventative maintenance steps as described in the WaterRower Owner’s Manual.

The warranty will be voided if, in the opinion of WaterRower, the claim is found to be a result of: (a) improper assembly of the product, (b) usage beyond the design of the product, (c) overfilling of the tank as advised in the Assembly Manuals, (d) use of alternative purification option in tank beyond approved WaterRower product, (e) use of improper cleaning materials as described in the preventative maintenance steps, (f) use and/or storage of product in inclement weather, including but not limited, to extreme temperatures and moisture.

This warranty is not transferable. WaterRower (US) Inc. shall not be liable for any direct, consequential, incidental indirect or special damages under this warranty, or any implied warranty.

Return of the WaterRower or WaterRower component to WaterRower’s factory or nominated service centre will be the responsibility of the claimant. The WaterRower or component should be packed to protect it from damage; WaterRower will not be responsible for any damage which may occur during shipment. Postage should be prepaid and the package should contain the claimant’s name, address and telephone number, a description of the problem and proof of purchase.

WaterRower will return the WaterRower or WaterRower component to the claimant at its (WaterRower’s) expense except in the case where the warranty has been deemed void or invalid. In the event that the warranty is found to have been void or invalid, then the costs of such investigation, repair and any associated shipping costs shall be borne by the claimant.

WaterRower will ground /economy ship all replacement warranty parts. Charges will apply for all alternative shipping methods. Product shipped outside of its initial purchase country may be subject to additional warranty cost and shipping charges.

WaterRower warrants against any defective WaterRower spare part received from WaterRower or any authorized dealer for a period of NINETY (90) DAYS after the date of shipment.

The warranty described above shall be in lieu of any other warranty, express or implied, including but not limited to, any implied warranty of merchantability or fitness for a particular purpose. The term of this warranty does not affect or prejudice the statutory rights of a consumer, neither does it limit or exclude any liability for death or personal injury caused by WaterRower’s negligence.

Additional information on parts, assembly, preventative maintenance and manuals, as referred to within this warranty document, can be found at www.waterrower.com/warranty.

Delivery Information

We offer free delivery across Northern Ireland and the Republic of Ireland on all orders — no hidden fees or surprises at checkout.

For UK mainland deliveries, shipping costs are based on the product’s size, weight, and delivery location. These rates will either appear at checkout or be quoted separately after your order is placed.


Professional Installation Available

We also offer expert installation services for many of our products. This is ideal if you want everything set up and ready to use without the hassle.

If you’re interested in professional installation, simply tick the checkbox on the product page labeled:

Professional Install Quote

Once selected, our team will reach out with details and pricing based on your location and the product type.

Have any questions about delivery or installation? Contact us here and we’ll be happy to help.

Weight 1 kg

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Please select if you are interested in professional installation and we will be in touch with a quote.