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SUMMER5
Rinnai  |  SKU: TRS03CUEP

Rinnai Exterior 3-Unit Free Standing Rack System – Propane (TRS03CUeP)

$14,600.00
+
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Manufacturer Warranty Included
  • Authorized Online Dealer
  • 🚚Free Shipping (exclusions may apply)
  • 💲We Beat The Lowest Price
  • 📦Fast 4–7 Day Delivery
  • 🛡️Manufacturer Warranty Included
  • 📞 Questions? Call Our Experts: +1 (800) 484-0224
Use code: SUMMER5 (5% OFF)


Price Match Guarantee

We work very hard to ensure that we offer the absolute best prices online.  If you find another online store that offers a lower price than us, let us know and we beat the price hands down. We want you to feel confident that you are getting the absolute best price for the product you are ordering. 

Our 100% Price Match Guarantee has the following restrictions: 

Promotions such as rebates and buy one, get one free offers are not eligible 

The website can not be a discounter or auction website (ie; eBay, etc..) 

The competitor must be an Authorized Retailer of the item you have purchased 

The Price Match Guarantee includes will be calculated based on item price, sales tax, shipping charges 

Price Matches Do Not Apply For Exchange Orders, or replacements 

Please Note: Some Exclusions May Apply

Delivery and Shipping

Your order processing time is 1 to 2 days. Please note that the cut-off time for order placement is 6 p.m. Orders received after this time will be processed on the following business day.

Your order will arrive within 4 to 7 days on average (free shipping over $200). Shipping for orders under $200 incurs a flat fee of $15. We currently offer shipping only within the continental United States (island deliveries may incur additional costs); international shipping is not available.

Mostly all of our orders are shipped via one of our third-party freight carriers (18-wheeler). If your order has an item that is shipped on a freight carrier, you will be contacted to schedule a curbside delivery time. Please make sure to put the correct phone number at checkout.

Upon placing your order, you will receive a confirmation e-mail. This message will confirm your order has been received by our system, and your credit card was approved for purchase. We will not charge your card until the item has shipped unless it's back ordered and we need to hold an item for you. 

As soon as your order is received on our end, we process it!

Authorized Online Dealer
Free Shipping + No Sales Tax (exclusions may apply)
We Beat The Lowest Price
Fast 4-7 Day Delivery
Manufacturer Warranty Included
Questions? Call Our Experts: +1 (800) 484-0224

Payment & Security

Payment methods

  • American Express
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  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Description

Upgrade your installation with the Rinnai Recess Box RGB-CTWH-4, designed specifically for Rinnai Condensing Tankless Water Heaters, including Sensei SE+, SE Series, and Commercial models.

This recessed mounting box allows for a sleek, flush-mounted appearance and helps protect your tankless unit from external elements, making it ideal for outdoor or space-saving installations. Crafted from high-quality, durable materials, it ensures long-lasting protection while maintaining a clean, professional finish.

Whether you're a professional installer or a homeowner looking for a polished setup, this Rinnai recess box delivers both functionality and refined design.

Key Features:

  • Perfect Compatibility – Designed for Rinnai Sensei SE+, SE Series, and Commercial Condensing Tankless models.
  • Clean, Recessed Appearance – Mounts your water heater flush into the wall for a sleek finish.
  • Weather-Resistant Construction – Provides added protection from the elements for outdoor installations.
  • Space-Saving Design – Ideal for tight spaces, minimizing wall protrusion.
  • Durable Steel Build – Engineered for strength, corrosion resistance, and longevity.
  • Easy Installation – Comes pre-fabricated for a simple, efficient setup process.
  • Professional Look – Enhances the aesthetic of any modern or commercial water heating system.

What’s Included

  • (1) Rinnai Recess Box (Part No. RGB-CTWH-4)
  • Installation Hardware Kit
  • User/Installation Manual

Specifications:

Specification Details
Brand Rinnai
Model / Part Number RGB-CTWH-4
Compatibility Rinnai Sensei SE+, SE Series & Commercial Condensing Tankless Water Heaters
Material Galvanized Steel
Finish White Powder-Coated
Mount Type Recessed (In-Wall Installation)
Installation Location Indoor / Outdoor
Dimensions (H × W × D) 31.5" × 19.7" × 8.9" (Approx.)
Weight 22 lbs (Approx.)
Manufacturer Warranty 1 Year Limited Warranty

Care & Maintenance Instructions

  • Inspect regularly for dust or debris buildup around vents or openings.
  • Wipe exterior with a soft, damp cloth; avoid abrasive cleaners.
  • Check mounting seals periodically to ensure water resistance and stability.
  • Avoid harsh chemicals or pressure washing the box.
  • Ensure proper ventilation for efficient heater performance.