The installer or service provider is fully responsible for ensuring that the installation complies with all applicable local, state, and national building codes and safety regulations. In many regions, a licensed contractor is required to install this unit. Failure to comply with these requirements may result in voided warranties, fines, or legal consequences. Always ensure that the technician adheres to safety protocols, including proper venting, gas line connections, and electrical work.
By proceeding with the purchase of this unit, you acknowledge and accept the responsibility for ensuring proper installation and compliance with relevant safety standards.
Product Summary
The Rinnai GTK03U is a high-performance external circulation pump kit designed to enable Circ-Logic™ recirculation technology on compatible Rinnai tankless water heaters that do not include a built-in pump. Manufactured with a reliable Grundfos circulation pump, this kit allows homeowners to enjoy faster access to hot water by circulating water through a dedicated return line. By minimizing the time it takes for hot water to reach fixtures, the system helps reduce water waste while improving convenience. The kit supports multiple operation modes to balance comfort and energy efficiency, making it an excellent solution for residential hot water recirculation systems.
Specifications
| Brand | Rinnai | SKU | GTK03U |
| Product Type | External Recirculation Pump Kit | Pump Type | Grundfos 15-55 Circulation Pump |
| Compatibility | Rinnai SENSEI, VC, KB Series Tankless Water Heaters | Operation Modes | Comfort Mode and Economy Mode |
| Material | Stainless Steel Pump Housing | UPC | 5712605555360 |
Shipping Policy
Return & Refund Policy