Upgrade your home’s hot water system with the Rinnai RE Series 5.3 GPM Indoor Propane Tankless Water Heater (RE140IP)—engineered for exceptional energy efficiency, compact installation, and long-lasting performance. Designed by industry leader Rinnai, this unit delivers continuous hot water with advanced safety features, a clean internal layout, and user-friendly controls.

Perfect for smaller homes, apartments, and efficiency applications, the RE Series combines reliable propane heating technology with a copper heat exchanger for optimized durability. With programmable service reminders, an LED display, and multiple optional accessories, the Rinnai RE140IP offers flexibility and performance tailored to your needs.

Key Features:

• 5.3 GPM Hot Water Output – Ideal for small to medium water demand applications.
• Energy Efficient Performance – 0.81 Uniform Energy Factor helps reduce energy costs.
• Compact Copper Heat Exchanger – Ensures durability and faster heat transfer.
• LED Display Panel – Simplifies unit monitoring and adjustments.
• Clean Internal Layout – Improves service access and product longevity.
• Built-In Safety Handle & Seating Bracket – Enhances installer and user safety.
• Programmable Service Reminders – Helps maintain peak performance.
• Optional Accessories Available – Leak detection kit, freeze protection, mounting bracket.
• Propane Powered – Reliable heating with consistent temperature output.
• Indoor Non-Condensing Venting – Designed for interior installation with proper venting.
  

What’s Included

• Rinnai RE Series RE140IP Indoor Propane Tankless Water Heater
• Safety handle & seating bracket
• Internal LED display
• Installation manual

Required but Sold Separately:

• Isolation Valve MIVK-T-LW
• Optional mounting bracket
• Optional leak detection kit
• Optional freeze protection

Specifications:

Category	Details
Model / Part Number	RE140IP
Series	Rinnai RE Series
Fuel Type	Propane (LP)
Installation	Indoor
Venting Type	Non-Condensing
Color / Finish	Silver
Hot Water Capacity	0.26 – 5.3 GPM
BTU Rating	140,000 BTUs
Uniform Energy Factor (UEF)	0.81
Overall Dimensions (W × H × D)	14.05" × 22.87" × 10.77"
Heat Exchanger	Compact Copper
Screen Type	LED Display
Optional Accessories	Leak detection kit, mounting bracket, freeze protection
Required Accessory (Sold Separately)	MIVK-T-LW Isolation Valve
Size Rating	140

Care & Maintenance Instructions

• Flush the heat exchanger annually to prevent mineral buildup and maintain efficiency.
• Check and clean the inlet water filter every 6 months.
• Inspect venting connections regularly to ensure proper airflow and safe operation.
• Keep the unit area clean and dust-free to support ventilation.
• Use only certified propane supply lines and fittings to maintain safety.
• Schedule servicing per Rinnai’s programmable reminders for optimal performance.
• If installed in cold regions, consider adding the optional freeze protection kit.