Skip to content
About Us FAQs Contact Us Price Match Guarantee Request A Quote My Account
July Sale Is Live! | Click Or Call 833-658-3387
Rinnai REU-MSB-C3

Rinnai Cascade Cable For V Series Units

By Rinnai | Model: REU-MSB-C3 | ID: 60387
✓ No Sales Tax - in most states excluding California
✓ Free Shipping - on items over $1000
✓ Satisfaction Guarantee - or return within 30 Days
✓ Most Products In Stock - Call or Text (833) 658-3387 for availability
$40.00 + SHIPPING
Working on a big project?
Free Shipping On Orders $1000 See our shipping policy
Flexible Financing Finance with Affirm. See terms
Lowest Price Guarantee Find it cheaper? We'll match it. See terms
Speak with an Expert Call us at (833) 658-3387
Product Details

Rinnai Cascade Cable For V Series Units REU-MSB-C3

The Rinnai REU-MSB-C3 is a high-quality cascade cable designed for connecting multiple Rinnai V Series water heaters. This cable allows up to 25 water heaters to be electronically linked, enabling coordinated operation and efficient system performance. By rotating the operation order, the cable ensures equal usage across all units while allowing modulated operation for consistent hot water delivery.

Ideal for large residential, commercial, or multi-unit installations, the REU-MSB-C3 enhances system reliability, optimizes energy efficiency, and allows all connected Rinnai water heaters to function as a single, integrated hot water source.

Product Features

  • Compatible with Rinnai V Series tankless water heaters
  • Allows up to 25 water heaters to be electronically connected
  • Rotates operation order to ensure equal usage among all units
  • Enables modulated operation for consistent hot water supply
  • Supports large residential, commercial, and multi-unit installations
  • Enhances system efficiency, reliability, and performance
  • Allows all connected units to function as one integrated hot water source

View More Rinnai Parts

Specifications

Rinnai Cascade Cable For V Series Units REU-MSB-C3

Brand Rinnai SKU REU-MSB-C3
Type Communication Cable Accessory Type MSB Manifold Slave Cable
Function Connects Additional Unit in MSB System System Used With Rinnai Tankless Manifold Electronic Control System (MECS)
Compatible Models V Series & Infinity Series Tankless Water Heaters Cable Length ~9.8 ft / 3 m communication cable
Shipping

We ship freight to the 48 contiguous states, excluding Hawaii and Alaska. Some shipping restrictions may apply. Liftgate services may incur an additional fee, which can be added at checkout.

Order Processing: Orders are processed within 1-3 business days (excluding weekends). Orders placed on Fridays will be processed the next business day. Once shipped, you’ll receive an email confirmation with tracking details. Backordered products may have longer processing times, and we will notify you of any delays.

Arrival of Goods: Freight delivery times depend on the carrier's schedule and routing. Estimated delivery times are provided at checkout. The carrier will contact you to arrange delivery, and you must be present to sign for the shipment.

Damages: Upon delivery, inspect your shipment carefully for any damage or discrepancies. Note any issues on the carrier’s delivery receipt and notify us within 24 hours. Claims made after this timeframe may be denied. Photographic proof is required for processing claims. Report damages or discrepancies immediately at [email protected].

Returns: For returns unrelated to damage, contact us at [email protected] for authorization. Return shipping costs are the customer’s responsibility, and a 20% restocking fee applies. Items must be in original packaging and condition for a refund.

Delivery Receipt: Before signing the delivery receipt, inspect the shipment for any damage. Your signature confirms acceptance of the delivery unless issues are noted.

Policy Updates: Our shipping policy may change, and updates will be communicated via our website or other channels. For any questions, contact The HVAC Store at [email protected] or call (833) 658-3387.

Reviews

Product Q&A

Have a specific question?

Be the first to ask a question about this product.

Our Real Customer Reviews

See what our customers have said about us.

Customers rate us 4.9/5 based on 31 reviews.
Connect with HVAC Store Support
Product Details

Rinnai Cascade Cable For V Series Units REU-MSB-C3

The Rinnai REU-MSB-C3 is a high-quality cascade cable designed for connecting multiple Rinnai V Series water heaters. This cable allows up to 25 water heaters to be electronically linked, enabling coordinated operation and efficient system performance. By rotating the operation order, the cable ensures equal usage across all units while allowing modulated operation for consistent hot water delivery.

Ideal for large residential, commercial, or multi-unit installations, the REU-MSB-C3 enhances system reliability, optimizes energy efficiency, and allows all connected Rinnai water heaters to function as a single, integrated hot water source.

Product Features

  • Compatible with Rinnai V Series tankless water heaters
  • Allows up to 25 water heaters to be electronically connected
  • Rotates operation order to ensure equal usage among all units
  • Enables modulated operation for consistent hot water supply
  • Supports large residential, commercial, and multi-unit installations
  • Enhances system efficiency, reliability, and performance
  • Allows all connected units to function as one integrated hot water source

View More Rinnai Parts

Specifications

Rinnai Cascade Cable For V Series Units REU-MSB-C3

Brand Rinnai SKU REU-MSB-C3
Type Communication Cable Accessory Type MSB Manifold Slave Cable
Function Connects Additional Unit in MSB System System Used With Rinnai Tankless Manifold Electronic Control System (MECS)
Compatible Models V Series & Infinity Series Tankless Water Heaters Cable Length ~9.8 ft / 3 m communication cable
Shipping

We ship freight to the 48 contiguous states, excluding Hawaii and Alaska. Some shipping restrictions may apply. Liftgate services may incur an additional fee, which can be added at checkout.

Order Processing: Orders are processed within 1-3 business days (excluding weekends). Orders placed on Fridays will be processed the next business day. Once shipped, you’ll receive an email confirmation with tracking details. Backordered products may have longer processing times, and we will notify you of any delays.

Arrival of Goods: Freight delivery times depend on the carrier's schedule and routing. Estimated delivery times are provided at checkout. The carrier will contact you to arrange delivery, and you must be present to sign for the shipment.

Damages: Upon delivery, inspect your shipment carefully for any damage or discrepancies. Note any issues on the carrier’s delivery receipt and notify us within 24 hours. Claims made after this timeframe may be denied. Photographic proof is required for processing claims. Report damages or discrepancies immediately at [email protected].

Returns: For returns unrelated to damage, contact us at [email protected] for authorization. Return shipping costs are the customer’s responsibility, and a 20% restocking fee applies. Items must be in original packaging and condition for a refund.

Delivery Receipt: Before signing the delivery receipt, inspect the shipment for any damage. Your signature confirms acceptance of the delivery unless issues are noted.

Policy Updates: Our shipping policy may change, and updates will be communicated via our website or other channels. For any questions, contact The HVAC Store at [email protected] or call (833) 658-3387.

Reviews