Keep your Rinnai RE Series tankless water heater performing at its best—even in extreme temperatures—with the Rinnai Cold Weather Kit (RECOLDKIT). Designed specifically for outdoor installations, this protective accessory prevents freezing, safeguards internal components, and ensures reliable hot water delivery all year long.

Engineered for durability and consistent performance, this cold weather kit supports both residential and commercial applications. It seamlessly integrates with wall-mounted RE Series units and indirect tank setups, making it the perfect upgrade for homes, businesses, cottages, and cold-climate installations.

Professional installation is strongly recommended to ensure proper performance and maximum protection.

Key Features:

• Compatible with Rinnai RE Series – Designed exclusively for RE Series tankless units.
• Outdoor Freeze Protection – Shields your water heater from cold weather damage.
• Enhanced Efficiency – Supports optimal performance in low-temperature environments.
• Indirect Tank Compatible – Works with indirect tank configurations.
• Wall-Mounted Design – Easy integration with mounted tankless systems.
• Residential & Commercial Use – Versatile accessory suitable for multiple applications.
• Extends Water Heater Lifespan – Helps protect your investment long-term.
  

What’s Included

• Rinnai RE Series Cold Weather Protection Kit (RECOLDKIT)
• Installation hardware
• Manufacturer installation guide

Specifications

Care & Maintenance Instructions

• Have the system inspected annually by a certified technician.
• Ensure no debris or snow accumulates around the unit during winter months.
• Keep the exterior of the water heater and kit clean and free from obstructions.
• Follow Rinnai’s recommended maintenance schedule for optimal freeze protection.
• Avoid tampering with internal components—always use qualified professionals for servicing.