Upgrade your home’s hot water system with the Rinnai Ultra Series Universal Recess Box, engineered for precision, durability, and ease of installation. Crafted by Rinnai, a global leader in tankless water heating technology, this recess box offers a streamlined and professional appearance for your tankless setup.

Every unit is manufactured in ISO 9001 and ISO 14001 certified facilities, guaranteeing exceptional quality and environmental responsibility. Rinnai products are CSA and ANSI approved, meeting North American safety and performance standards.

Perfect for both residential and light commercial applications, the Rinnai Universal Recess Box allows for indoor wall installations while maintaining optimal accessibility and ventilation. Backed by Rinnai’s industry-leading warranty and supported by a nationwide network of service professionals, it’s a reliable solution designed for long-term performance and energy efficiency.

Key Features:

• Universal Compatibility: Designed for Rinnai Ultra Series tankless water heaters.
• ISO & CSA Certified: Built in ISO 9001/14001 factories and CSA-approved for quality and safety.
• Energy Efficient: Supports Rinnai’s tankless design to reduce energy usage and utility costs.
• Durable Construction: Made with high-grade materials for long-lasting performance.
• Easy Installation: Fits seamlessly for a clean, recessed indoor setup.
• Trusted Warranty & Support: Backed by Rinnai’s 24/7/365 technical assistance and extensive dealer network.
  

What’s Included

• 1 × Rinnai Ultra Series Universal Recess Box (RGB-CTWH-2)
• Installation guide
• Mounting hardware
  

Specifications:

Care & Maintenance Instructions

• Keep the exterior of the recess box clean using a soft, damp cloth.
• Avoid using harsh chemicals or abrasive materials that may damage the finish.
• Check fittings and connections periodically for any signs of corrosion or wear.
• Ensure adequate ventilation and clear access for maintenance of your tankless water heater.
• Contact authorized Rinnai service personnel for inspection or repairs.