{"product_id":"lochinvar-l100304118-user-interface-control-kit","title":"Lochinvar L100304118 User Interface Control Kit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe LOCHINVAR L100304118 is a user interface control kit designed for the DU938NF unit. This component serves as the operator-facing control panel, allowing technicians and end users to interact with the system's operating parameters, set points, and diagnostic functions. It replaces or restores the primary human-machine interface on the equipment it serves. Installation and commissioning of this control kit is typically performed by a licensed HVAC technician familiar with Lochinvar equipment and low-voltage control wiring.\u003c\/p\u003e\u003cp\u003eThis user interface control kit is intended for use in systems that rely on the DU938NF platform. It is applicable in commercial and residential heating applications where the original interface control has failed, been damaged, or requires replacement as part of a scheduled service or system upgrade. Technicians sourcing this part should verify the model designation matches the installed unit before ordering.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eOEM-style user interface control designed for the DU938NF unit\u003c\/li\u003e\n\u003cli\u003eRestores full operator control of system set points and diagnostics\u003c\/li\u003e\n\u003cli\u003eDirect replacement for the original factory-installed interface panel\u003c\/li\u003e\n\u003cli\u003eDesigned for integration with Lochinvar control architecture\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a direct OEM-style replacement user interface control kit for the LOCHINVAR DU938NF unit.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed HVAC or boiler technician. Power down the unit and follow all applicable lockout\/tagout procedures before removing the existing control interface. Handle the control board carefully to avoid damage from electrostatic discharge. Refer to the equipment service manual for wiring and commissioning procedures specific to the installed system.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: DU938NF Unit User Interface Control\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: LOCHINVAR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: L100304118\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LOCHINVAR","offers":[{"title":"Default Title","offer_id":51345195335986,"sku":"L100304118","price":297.24,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310552879.jpg?v=1782051354","url":"https:\/\/voomisupply.com\/products\/lochinvar-l100304118-user-interface-control-kit","provider":"Voomi Supply","version":"1.0","type":"link"}