{"product_id":"sp4178-neptronic-pc-board-protector-sk300-rev-d-for-sk300-series","title":"SP4178 – Neptronic Pc Board Protector SK300 Rev D for SK300 Series","description":"\u003cp\u003e\u003cstrong\u003eSP4178\u003c\/strong\u003e is a genuine Neptronic Pc Board Protector SK300 Rev D used on Neptronic SK300 Series humidifiers. The control board and display run the humidifier's fill, drain and heating sequence, read the water level and safety inputs, and show status and alarm codes.\u003c\/p\u003e\u003ch3\u003eCommon signs it needs replacing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBlank, frozen or garbled display\u003c\/li\u003e\n\u003cli\u003eHumidifier will not start or ignores demand signals\u003c\/li\u003e\n\u003cli\u003eAlarms that clear and return with no fault found\u003c\/li\u003e\n\u003cli\u003eVisible burn marks or damaged components on the board\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNote your firmware version and any BACnet or communication options before ordering; boards for W (outside display) and standard units differ.\u003c\/p\u003e\u003ch3\u003eBefore you order\u003c\/h3\u003e\u003cp\u003eNeptronic uses different control boards and displays across capacities and voltages, so match the part number on your existing part or in your unit's parts list to \u003cstrong\u003eSP4178\u003c\/strong\u003e. If the label is gone, send us the model and serial number from the humidifier nameplate and we will confirm fit.\u003c\/p\u003e\u003ch3\u003eWhy buy from RapidHVACParts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Neptronic OEM\u003c\/strong\u003e – factory part number SP4178, supplied through ETS, a Neptronic parts and equipment distributor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal lead times on the page\u003c\/strong\u003e – parts we stock ship from our warehouse; everything else ships direct from Neptronic, with the current factory lead time shown above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelp from people who work on these systems\u003c\/strong\u003e – send us your model and serial number and we will confirm the right part before you order.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neptronic","offers":[{"title":"Default Title","offer_id":50531199025371,"sku":"SP4178","price":122.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/3951\/7147\/files\/NeptronicHumidifier-Parts-InStock_45438c85-4296-4bd5-9b76-514bbee1b0bc.png?v=1770390252","url":"https:\/\/www.rapidhvacparts.com\/products\/sp4178-neptronic-pc-board-protector-sk300-rev-d-for-sk300-series","provider":"RapidHVACParts","version":"1.0","type":"link"}