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Rinnai  |  SKU: GTK03U

Rinnai Circulation Pump Without Timer – Model GTK03U

$619.00
+
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Manufacturer Warranty Included
  • Authorized Online Dealer
  • 🚚Free Shipping (exclusions may apply)
  • 💲We Beat The Lowest Price
  • 📦Fast 4–7 Day Delivery
  • 🛡️Manufacturer Warranty Included
  • 📞 Questions? Call Our Experts: +1 (800) 484-0224
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The Price Match Guarantee includes will be calculated based on item price, sales tax, shipping charges 

Price Matches Do Not Apply For Exchange Orders, or replacements 

Please Note: Some Exclusions May Apply

Delivery and Shipping

Your order processing time is 1 to 2 days. Please note that the cut-off time for order placement is 6 p.m. Orders received after this time will be processed on the following business day.

Your order will arrive within 4 to 7 days on average (free shipping over $200). Shipping for orders under $200 incurs a flat fee of $15. We currently offer shipping only within the continental United States (island deliveries may incur additional costs); international shipping is not available.

Mostly all of our orders are shipped via one of our third-party freight carriers (18-wheeler). If your order has an item that is shipped on a freight carrier, you will be contacted to schedule a curbside delivery time. Please make sure to put the correct phone number at checkout.

Upon placing your order, you will receive a confirmation e-mail. This message will confirm your order has been received by our system, and your credit card was approved for purchase. We will not charge your card until the item has shipped unless it's back ordered and we need to hold an item for you. 

As soon as your order is received on our end, we process it!

Authorized Online Dealer
Free Shipping + No Sales Tax (exclusions may apply)
We Beat The Lowest Price
Fast 4-7 Day Delivery
Manufacturer Warranty Included
Questions? Call Our Experts: +1 (800) 484-0224

Payment & Security

Payment methods

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  • Discover
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  • Mastercard
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  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Description

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

Attribute Details
Brand Rinnai
Model / Part Number GTK03U
Product Type Circulation Pump (Without Timer)
Compatible Controllers MC-195-T, RWM101 (SE+)
Included Components Flanges
Timer Function No
Installation Type Inline
Usage Residential / Commercial Hot Water Systems
Dimensions (Approx.) 6.5" (H) × 5.5" (W) × 4.5" (D)
Weight 3.2 lbs
Material Heavy-duty composite and stainless steel components
Country of Origin Japan

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.