{"product_id":"williams-comfort-products-tm-393rsd-square-drive","title":"Williams Comfort Products TM-393RSD Square Drive","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe WILLIAMS COMFORT PRODUCTS TM-393RSD is a replacement square drive component designed to restore proper mechanical operation in compatible Williams heating units. Square drive parts transmit rotational force within the burner or valve assembly, and failure of this component typically results in loss of ignition sequencing or burner function. This replacement is an OEM-style part intended for installation by qualified HVAC technicians performing routine maintenance or field repairs. At 0.573 pounds, it is a compact, single-unit component suited for quick swap-out during a service call.\u003c\/p\u003e\u003cp\u003eThis square drive replacement is intended for use with the Williams TM-393 unit. It is applicable in residential and light commercial heating service scenarios where the TM-393 is installed, including wall furnace and direct-vent heater applications common in Williams product lines. Technicians performing preventive maintenance or responding to mechanical failure in TM-393 units will find this a direct-fit replacement that avoids the need for fabrication or adaptation.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement square drive for the Williams TM-393 unit\u003c\/li\u003e\n\u003cli\u003eCompact single-unit component at 0.573 pounds\u003c\/li\u003e\n\u003cli\u003eOEM-style fitment for straightforward field replacement\u003c\/li\u003e\n\u003cli\u003eSold individually for precise parts ordering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a replacement square drive component for the Williams TM-393 heating unit.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed HVAC technician. Before servicing, shut off gas supply and disconnect electrical power to the unit per local code requirements and the manufacturer service documentation. Refer to IFGC guidelines where applicable. Do not force or modify the square drive interface, as improper installation may damage the mating component or void serviceability.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.573 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: Each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Order Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 662459261342\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: WILLIAMS COMFORT PRODUCTS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: TM-393RSD\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WILLIAMS COMFORT PRODUCTS","offers":[{"title":"Default Title","offer_id":51344324526386,"sku":"TM-393RSD","price":192.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310544787.jpg?v=1782033316","url":"https:\/\/voomisupply.com\/products\/williams-comfort-products-tm-393rsd-square-drive","provider":"Voomi Supply","version":"1.0","type":"link"}