{"product_id":"industrial-tdw-1c-m-4187-a-printed-circuit-board","title":"Industrial TDW-1C M-4187-A Printed Circuit Board","description":"\u003cdiv\u003e\u003cp\u003eAEC International TDW-1C control board, model M-4187-A, is a rugged printed circuit board designed as the primary controller in industrial temperature-control panels. In catalog listings the TDW-1C board is identified by multiple identifiers—503390 and K-4207-C—confirming its role as the TDW-1C circuit board used in legacy systems. Refurbishment and resale listings describe the 503390 TDW-1C board as a discontinued AEC International component intended for solid-state control in temperature-control panels and related automation equipment, with supplier notes citing operation in environments up to 250°F. This module is suitable for legacy industrial process equipment and automation panels where a like-for-like TDW-1C replacement is needed to maintain ongoing control functionality.\u003c\/p\u003e\u003c\/div\u003e","brand":"AEC","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51657042624814,"sku":null,"price":616.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_6051487e-80b6-4e28-8612-784b96b83bb5.jpg?v=1769465479","url":"https:\/\/plgautomation.com\/products\/industrial-tdw-1c-m-4187-a-printed-circuit-board","provider":"PLG Automation ","version":"1.0","type":"link"}