{"product_id":"marley-engineered-products-3301-11015-001-knob-thermostat","title":"Marley Engineered Products 3301-11015-001 Knob Thermostat","description":"\u003cp\u003eThe \u003cstrong\u003eMarley Engineered Products 3301-11015-001 Knob Thermostat\u003c\/strong\u003e is a precise \u003cstrong\u003egenuine OEM replacement\u003c\/strong\u003e engineered for professional maintenance and repair of compatible Marley, Berko, and QMark heating units. This \u003cstrong\u003eHVAC thermostat control knob\u003c\/strong\u003e is designed to restore factory-spec calibration and tactical feedback to the heating system, ensuring the end-user can maintain consistent setpoints without the drift associated with aftermarket components. As a direct-fit \u003cstrong\u003eMarley heater part\u003c\/strong\u003e, it installs on the thermostat shaft with zero modifications, maintaining the integrity of the original equipment's electrical safety and control interface. For technicians performing service calls on \u003cstrong\u003ecommercial wall heaters\u003c\/strong\u003e or baseboard units, using this \u003cstrong\u003e3301-11015-001 replacement knob\u003c\/strong\u003e ensures the \u003cstrong\u003ethermostat assembly\u003c\/strong\u003e operates within the manufacturer's specified tolerances.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Marley Engineered Products\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3301-11015-001\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Thermostat Control Knob\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Select Marley, Berko, and QMark heating systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e High-impact industrial polymer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Contractor Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Precision Fit:\u003c\/strong\u003e Eliminates the slippage or loose tolerances common in universal knobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImmediate Restoration:\u003c\/strong\u003e Quickly fixes broken or stripped adjustment interfaces to return units to service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTechnical Reliability:\u003c\/strong\u003e Built to withstand the thermal cycles of commercial heating environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Compatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eMarley Engineered Products 3301-11015-001\u003c\/strong\u003e footprint.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Service Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I verify if this knob fits my specific heater?\u003c\/strong\u003e\u003cbr\u003e\nReference the schematic for your unit; this component is the specified \u003cstrong\u003e3301-11015-001\u003c\/strong\u003e for various Marley-built wall and baseboard heaters. Always verify the part number in the manufacturer's technical manual.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes this include the thermostat switch itself?\u003c\/strong\u003e\u003cbr\u003e\nNo, this is the \u003cstrong\u003ereplacement thermostat knob\u003c\/strong\u003e only. If the internal switch or capillary tube is failing, the thermostat assembly requires replacement.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs any special tooling required for installation?\u003c\/strong\u003e\u003cbr\u003e\nThis is a friction-fit or set-screw design depending on the series, designed for a manual press-on installation during routine maintenance calls.\u003c\/p\u003e\n\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Marley Engineered Products","offers":[{"title":"Default Title","offer_id":31985435574387,"sku":"3301-11015-001","price":4.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Pic_070743cb-c35a-450e-8f8a-0ea016720b76.png?v=1771272611","url":"https:\/\/www.gsistore.com\/products\/marley-engineered-products-3301-11015-001-knob-thermostat","provider":"GSIstore","version":"1.0","type":"link"}