{"product_id":"norlake-146403-drain-line-heater","title":"Norlake 146403 Drain Line Heater","description":"\u003ch2\u003eNorlake 146403 Drain Line Heater\u003c\/h2\u003e\n\u003cp\u003eThe Norlake 146403 drain line heater is a commercial replacement part identified by the manufacturer reference shown below. It helps prevent frozen condensate from obstructing the intended drain or pan area. Correct identification matters because components that share a general appearance can differ in mounting, electrical characteristics, dimensions or operating function.\u003c\/p\u003e\n\u003cp\u003eVoltage and wattage were not established for this reference. Confirm those ratings on the original heater and the equipment documentation before ordering or energizing it.\u003c\/p\u003e\n\u003cp\u003eUse the equipment model, serial number and existing part identification together when selecting this drain line heater. The listed specifications describe the researched reference; they do not establish universal compatibility across Norlake equipment. Inspect the related system before ordering so a separate wiring, alignment, airflow or drainage problem is not mistaken for failure of this component.\u003c\/p\u003e\n\u003ch2\u003ePart Identification \u0026amp; Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible equipment brand: Norlake\u003c\/li\u003e\n\u003cli\u003eManufacturer part-number reference: 146403\u003c\/li\u003e\n\u003cli\u003eProduct type: Drain Line Heater\u003c\/li\u003e\n\u003cli\u003eProduct classification: Commercial Replacement Part\u003c\/li\u003e\n\u003cli\u003eApplication reference: Lotte drain line\u003c\/li\u003e\n\u003cli\u003eReference catalogue weight: 0.12 lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFunction \u0026amp; Application\u003c\/h2\u003e\n\u003cp\u003eThis drain line heater helps prevent frozen condensate from obstructing the intended drain or pan area. Its role should be checked against the equipment parts diagram and service documentation, including any production changes affecting the assembly.\u003c\/p\u003e\n\u003ch2\u003eCompatibility \u0026amp; Ordering Reference\u003c\/h2\u003e\n\u003cp\u003eA complete model compatibility list has not been established for this part. Confirm the part-number reference against the equipment parts diagram and serial-number range before ordering.\u003c\/p\u003e\n\u003cp\u003eDo not assume that another part number supersedes this reference unless the equipment manufacturer documents that replacement for the specific unit.\u003c\/p\u003e\n\u003ch2\u003eSymptoms to Investigate\u003c\/h2\u003e\n\u003cp\u003eReasons to inspect this component include recurring drain icing, a frozen pan outlet, or an open or damaged heater. These symptoms are diagnostic clues, not proof that this part has failed.\u003c\/p\u003e\n\u003ch2\u003eTechnician Diagnostic Checks\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eClear and inspect the drain path before replacing the heater\u003c\/li\u003e\n\u003cli\u003eCheck heater identification and rated supply\u003c\/li\u003e\n\u003cli\u003eInspect the installed contact and routing\u003c\/li\u003e\n\u003cli\u003eCheck defrost duration and drainage as possible contributing problems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDocument the findings before replacing parts. Use the equipment service procedure and correct test equipment; component appearance alone does not establish a service diagnosis.\u003c\/p\u003e\n\u003ch2\u003eBefore You Order\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm manufacturer reference 146403 and the complete equipment model and serial number.\u003c\/li\u003e\n\u003cli\u003eCompare the existing part with the listed specifications and mounting arrangement.\u003c\/li\u003e\n\u003cli\u003eVoltage and wattage were not established for this reference. Confirm those ratings on the original heater and the equipment documentation before ordering or energizing it.\u003c\/li\u003e\n\u003cli\u003eVerify whether related fasteners, fittings, keys, sensors or other service items are included or required separately.\u003c\/li\u003e\n\u003cli\u003eConfirm the supplied item and its provenance before releasing the order.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation \u0026amp; Return-to-Service Checks\u003c\/h2\u003e\n\u003cp\u003eService should be performed by personnel qualified for the equipment and component. Isolate relevant power and support moving parts before disassembly. Record the original mounting, connections and routing, then follow the equipment-specific service procedure.\u003c\/p\u003e\n\u003cp\u003eObserve drainage during defrost and confirm water leaves the pan correctly. Verify the heater is secured away from moving parts and vulnerable wiring.\u003c\/p\u003e\n\u003ch2\u003eMaintenance \u0026amp; Related Components\u003c\/h2\u003e\n\u003cp\u003eDuring routine service, inspect the surrounding mounting points and the related components identified in the diagnostic checks. Correct the cause of wear, moisture, vibration or misalignment before fitting a replacement. Use cleaning and maintenance methods specified for the equipment and materials.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is Norlake 146403?\u003c\/h3\u003e\n\u003cp\u003eIt is the manufacturer reference for this drain line heater. The component helps prevent frozen condensate from obstructing the intended drain or pan area.\u003c\/p\u003e\n\u003ch3\u003eWhich specifications should I compare?\u003c\/h3\u003e\n\u003cp\u003eApplication reference: Lotte drain line. Also compare the original mounting and connection arrangement.\u003c\/p\u003e\n\u003ch3\u003eWill it fit every Norlake unit?\u003c\/h3\u003e\n\u003cp\u003eNo. Verify the complete model, serial number and manufacturer reference. Similar-looking components may belong to different equipment revisions.\u003c\/p\u003e\n\u003ch3\u003eWhat should I check before replacing it?\u003c\/h3\u003e\n\u003cp\u003eClear and inspect the drain path before replacing the heater. Check heater identification and rated supply. Symptoms may come from related components, so diagnose the system before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhat is the key ordering caution for this part?\u003c\/h3\u003e\n\u003cp\u003eVoltage and wattage were not established for this reference. Confirm those ratings on the original heater and the equipment documentation before ordering or energizing it.\u003c\/p\u003e\n\u003ch3\u003eIs the listed weight a packed shipping weight?\u003c\/h3\u003e\n\u003cp\u003eThe reference catalogue lists 0.12 lb. Packed shipping weight has not been measured and can differ with packaging or supplied assembly contents.\u003c\/p\u003e\n\u003ch3\u003eIs this guaranteed to be genuine OEM?\u003c\/h3\u003e\n\u003cp\u003eGenuine OEM manufacture of the supplied item has not been independently confirmed. It is described as a Commercial Replacement Part using the researched manufacturer reference.\u003c\/p\u003e\n\u003ch2\u003eRelated Refrigeration Parts\u003c\/h2\u003e\n\u003cp\u003eBrowse \u003ca href=\"\/collections\/commercial-refrigeration-parts\"\u003eNorlake refrigeration parts\u003c\/a\u003e and \u003ca href=\"\/collections\/commercial-refrigeration-parts\"\u003ecommercial refrigeration parts\u003c\/a\u003e for related service components.\u003c\/p\u003e","brand":"Norlake","offers":[{"title":"Default Title","offer_id":68089072255199,"sku":"146403","price":87.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/3047\/0623\/files\/146403-reference.gif?v=1792371777","url":"https:\/\/partsdirectonline.com\/products\/norlake-146403-drain-line-heater","provider":"PartsDirectonline","version":"1.0","type":"link"}