Upgrade your Rinnai tankless water system with the Rinnai Pump Without Timer (Model GTK03U) — a dependable, high-performance solution engineered for continuous water circulation. Designed for seamless integration with Rinnai’s MC-195-T or RWM101 controllers, this pump ensures faster hot water delivery and improved system efficiency.

Whether you’re enhancing an existing setup or installing a new Rinnai system, this durable, timer-free circulation pump delivers consistent flow without the need for manual activation or additional timers. Perfect for homeowners and professionals seeking reliability, simplicity, and long-term performance.

Key Features:

• Timer-Free Operation: Simplifies installation and maintenance — no timer configuration required.
• Compatible Design: Works with MC-195-T or RWM101 (SE+) controllers.
• High-Performance Circulation: Provides efficient and consistent hot water flow.
• Durable Construction: Built for long-term reliability and quiet operation.
• Easy Integration: Includes flanges for secure and leak-free installation.
• Energy Efficient: Designed to optimize performance while reducing energy waste.
  

What’s Included

• 1 × Rinnai Pump Without Timer (GTK03U)
• 2 × Mounting Flanges
• Installation Guide
  

Specification

Care & Maintenance Instructions

• Ensure power is disconnected before performing any maintenance.
• Inspect connections and flanges periodically for leaks.
• Clean inlet and outlet ports to remove sediment buildup.
• Avoid using harsh chemicals or abrasive cleaners.
• Have the pump serviced annually by a qualified technician for optimal performance.