{"product_id":"control-knob-121-2-mm-od-shaft-mh18b","title":"Control Knob 121\/2 mm OD Shaft MH18B","description":"Replacement Control Knob 121\/2 mm OD Shaft MH18B.  \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003ePlease verify your serial number before purchasing. This knob will ONLY fit heaters with the serial number MHC748000097071 and LOWER.\u003c\/strong\u003e\u003c\/span\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":47493122097371,"sku":"78018","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/6939\/6955\/files\/MrHeaterLogo700x700_1_3253fef4-b277-421d-8ab3-4094a445da6a.jpg?v=1756308676","url":"https:\/\/mrheater.com\/products\/control-knob-121-2-mm-od-shaft-mh18b","provider":"MrHeater","version":"1.0","type":"link"}