{"product_id":"rinnai-recirculation-pump-with-union-connections-wi-fi-kit-gtk03u","title":"Rinnai Recirculation Pump With Union Connections Wi-Fi Kit GTK03U","description":"\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003chr\u003e\n\u003ch3\u003eRinnai Recirculation Pump With Union Connections Wi-Fi Kit GTK03U\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eRinnai GTK03U\u003c\/strong\u003e 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.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Recirculation Pump Kit\u003c\/strong\u003e – Enables Circ-Logic™ functionality for Rinnai tankless water heaters without a built-in pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaster Hot Water Delivery\u003c\/strong\u003e – Reduces wait time for hot water at fixtures and minimizes water waste\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfort and Economy Modes\u003c\/strong\u003e – Allows users to choose between frequent cycling for maximum comfort or reduced cycling for energy savings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCirc-Logic™ Compatibility\u003c\/strong\u003e – Works with compatible Rinnai SENSEI™, VC, and KB series tankless water heaters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Pump Construction\u003c\/strong\u003e – Grundfos pump features stainless steel housing designed for domestic hot water systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Installation Kit\u003c\/strong\u003e – Includes Grundfos 15-55 pump, internal check valve, 6 ft pre-wired BX conduit, and ¾ inch union fitting set\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Units\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRinnai SENSEI™ Tankless Water Heaters\u003c\/li\u003e\n\u003cli\u003eRinnai VC Series Tankless Water Heaters\u003c\/li\u003e\n\u003cli\u003eRinnai KB Series Tankless Water Heaters\u003c\/li\u003e\n\u003cli\u003eOther compatible Rinnai tankless water heaters requiring an external recirculation pump\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/hvacstore.com\/collections\/rinnai-parts\"\u003e\u003cstrong\u003eView More Rinnai Parts\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003chr\u003e\n\u003ch3\u003eRinnai Recirculation Pump With Union Connections Wi-Fi Kit GTK03U\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; text-align: center;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003eRinnai\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eSKU\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003eGTK03U\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003eExternal Recirculation Pump Kit\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003ePump Type\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003eGrundfos 15-55 Circulation Pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003eRinnai SENSEI, VC, KB Series Tankless Water Heaters\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eOperation Modes\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003eComfort Mode and Economy Mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003eStainless Steel Pump Housing\u003c\/td\u003e\n\u003ctd style=\"background-color: lightgray; font-weight: bold; height: 50px;\"\u003eUPC\u003c\/td\u003e\n\u003ctd style=\"height: 50px;\"\u003e5712605555360\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Rinnai","offers":[{"title":"Default Title","offer_id":51099834777904,"sku":"GTK03U","price":619.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/1494\/6352\/files\/Rinnai_GTK03U.webp?v=1773382396","url":"https:\/\/hvacstore.com\/products\/rinnai-recirculation-pump-with-union-connections-wi-fi-kit-gtk03u","provider":"HVAC Store","version":"1.0","type":"link"}