{"product_id":"ao-smith-100209924-uln-remote-controller","title":"Ao Smith 100209924 Uln Remote Controller","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe AO SMITH 100209924 is a ULN remote controller designed for use with AO Smith tankless water heater systems. This control unit allows remote operation and temperature management of compatible tankless water heaters, giving installers and end users a convenient interface without direct access to the heater unit itself. It is a direct OEM-sourced control component intended for replacement or initial installation by licensed plumbers and HVAC technicians working on tankless hot water systems. The part number also cross-references the internal designation TM-RE42 from the supplier documentation.\u003c\/p\u003e\n\u003cp\u003eThis remote controller is designed for residential tankless water heater applications. It is compatible with both natural gas and liquid propane AO Smith T-H3 series tankless units in direct vent and outdoor configurations. Typical install scenarios include wall-mounted remote placement at a convenient user location, wired back to the tankless heater unit. Compatible model families include both direct vent and outdoor variants across the T-H3 series lineup.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eRemote control interface for AO Smith ULN-series tankless water heaters\u003c\/li\u003e\n  \u003cli\u003eCompatible with both natural gas and liquid propane model variants\u003c\/li\u003e\n  \u003cli\u003eSupports direct vent and outdoor installation configurations\u003c\/li\u003e\n  \u003cli\u003eOEM replacement part for reliable fit and function\u003c\/li\u003e\n  \u003cli\u003eCovers the full T-H3, T-H3M, T-H3S, and T-H3J model subfamilies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eCompatible with the following AO Smith tankless water heater models: T-H3-OS (NG), T-H3-OS (LP), T-H3-DV (NG), T-H3-DV (LP), T-H3M-OS (NG), T-H3M-OS (LP), T-H3M-DV (NG), T-H3M-DV (LP), T-H3S-OS (NG), T-H3S-OS (LP), T-H3S-DV (NG), T-H3S-DV (LP), T-H3J-OS (NG), T-H3J-OS (LP), T-H3J-DV (NG), and T-H3J-DV (LP).\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed plumber or qualified HVAC technician familiar with tankless water heater controls. Power to the tankless unit must be disconnected before removing or connecting the remote controller wiring. Follow the heater manufacturer wiring diagram for correct low-voltage connections between the remote and the unit. Local codes and the manufacturer installation manual should be consulted before beginning work.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Control\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal Reference\u003c\/strong\u003e: TM-RE42\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: AO SMITH\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 100209924\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TAILWIND","offers":[{"title":"Default Title","offer_id":51149620478258,"sku":"100209924","price":156.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/305990283.jpg?v=1778598738","url":"https:\/\/voomisupply.com\/products\/ao-smith-100209924-uln-remote-controller","provider":"Voomi Supply","version":"1.0","type":"link"}