{"product_id":"a-o-smith-100076100-surge-protection-box-kit","title":"A.o. Smith 100076100 Surge Protection Box Kit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe A.O. SMITH 100076100 is a surge protection box kit designed to safeguard tankless water heater electronics from voltage spikes and electrical surges. Tankless water heaters rely on sensitive control boards and ignition electronics that are vulnerable to power fluctuations. This kit provides a protective barrier between the incoming power supply and the unit's internal components, helping preserve the service life of the water heater and reducing the risk of surge-related failures. It is installed by licensed plumbers and HVAC technicians as part of new installations or added during service calls on existing tankless units.\u003c\/p\u003e\n\u003cp\u003eThis surge protection kit is intended for use with A.O. SMITH tankless water heater models across multiple product families, including both natural gas and propane configurations. It is applicable in residential tankless installations where electrical surge protection is required or recommended. The kit is compatible with a wide range of A.O. SMITH tankless units in indoor, outdoor, direct-vent, and non-condensing configurations.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eProtects tankless water heater control electronics from voltage surges and spikes\u003c\/li\u003e\n  \u003cli\u003eCompatible with both natural gas and propane tankless water heater models\u003c\/li\u003e\n  \u003cli\u003eCovers indoor and outdoor unit configurations including direct-vent installations\u003c\/li\u003e\n  \u003cli\u003ePackaged as a complete kit for straightforward field installation\u003c\/li\u003e\n  \u003cli\u003eOEM part ensuring proper fit and function for listed A.O. SMITH models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eCompatible with the following A.O. SMITH tankless water heater models: TK-310C-NI (NG), T-KJR2U-IN (NG), T-H3S-OS (NG), T-H3J-DV (NG), T-H3J-DV (LP), T-H3-OS (LP), T-D2U-IN (NG), T-K3-SP (NG), T-H3J-OS (NG), T-D2U-OS (NG), T-H3S-OS (LP), T-K3-SP (LP), TK-540P-PEH (LP), TK-110C-NI (NG), T-K4U-IN (NG), T-K2 (LP), T-K2 (NG), T-H3S-DV (NG), T-H3-DV (LP), T-KD20 (LP), TK-540P-PIH (LP), T-KJR2U-OS (NG), TK-540P-NEH (NG), T-H3S-DV (LP), T-H3-OS (NG), T-K3-OS (NG), T-K3-OS (LP), T-H3-DV (NG), T-H3J-OS (LP), T-KD20 (NG), T-K4U-OS (NG), TK-540P-NIH (NG), TK-510C-NI (NG).\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed plumber or qualified HVAC technician. Shut off power to the water heater at the circuit breaker before beginning any electrical work. Follow all applicable local electrical codes and manufacturer wiring guidelines when connecting the surge protection kit. Do not restore power until all connections are secure and the installation is complete.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Tankless water heater surge protection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel Type Compatibility\u003c\/strong\u003e: Natural gas and propane\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKit Contents\u003c\/strong\u003e: Surge protection box and associated components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: A.O. SMITH\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 100076100\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TAILWIND","offers":[{"title":"Default Title","offer_id":51150521925938,"sku":"100076100","price":26.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/305988997.jpg?v=1778613602","url":"https:\/\/voomisupply.com\/products\/a-o-smith-100076100-surge-protection-box-kit","provider":"Voomi Supply","version":"1.0","type":"link"}