Rinnai Recess Box for Condensing Tankless Water Heaters – Sensei SE+, SE Series & Commercial (RGB-CTWH-4)

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:

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.