{"product_id":"bell-gossett-bg-118473-spring-type-coupler-pump","title":"Bell Gossett Bg 118473 Spring Type Coupler Pump","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe BELL GOSSETT BG 118473 is a spring type coupler designed for use in hydronic heating pump systems. It connects the pump motor shaft to the impeller shaft, transmitting rotational force while absorbing minor misalignment and shock loads. Sized at 1\/2 inch by 1\/2 inch, this coupler fits pump models equipped with 5-1\/4 inch and 6-1\/4 inch impellers. Installation and replacement are typically performed by licensed HVAC technicians or plumbers during scheduled pump maintenance or motor changeout service calls.\u003c\/p\u003e\n\u003cp\u003eThis coupler is used in heating system applications where Bell Gossett close-coupled centrifugal pumps are installed. Compatible pump series include the PD-35, PD-37, Series 60 AA, and Series 1522. These pumps are commonly found in residential and light commercial hydronic heating systems, including hot water boiler loops and fan coil circuits. The spring type design accommodates standard in-line and close-coupled pump configurations used in these series.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSpring type construction absorbs shock and accommodates minor shaft misalignment\u003c\/li\u003e\n  \u003cli\u003e1\/2 inch by 1\/2 inch shaft interface matches OEM pump and motor shaft sizing\u003c\/li\u003e\n  \u003cli\u003eCompatible with 5-1\/4 inch and 6-1\/4 inch impeller configurations\u003c\/li\u003e\n  \u003cli\u003eDesigned for hydronic heating system pump applications\u003c\/li\u003e\n  \u003cli\u003eDirect OEM-style replacement for supported Bell Gossett pump series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with Bell Gossett Series PD-35 pumps, Series PD-37 pumps, Series 60 AA pumps, and Series 1522 pumps (obsolete) equipped with 5-1\/4 inch or 6-1\/4 inch impellers.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by a licensed HVAC technician or plumber. Before servicing, shut off electrical power to the pump motor at the disconnect and allow the system to depressurize and cool as required by the application. Inspect both motor and pump shafts for wear or corrosion before installing the replacement coupler. Follow applicable local mechanical codes and the pump manufacturer service documentation when performing the repair.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Spring Type Coupler\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShaft Size\u003c\/strong\u003e: 1\/2 inch x 1\/2 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Impeller Sizes\u003c\/strong\u003e: 5-1\/4 inches and 6-1\/4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Heating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: BELL GOSSETT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: BG 118473\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BELL \u0026 GOSSETT","offers":[{"title":"Default Title","offer_id":51525256806706,"sku":"BG 118473","price":139.37,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/d8a650275fe31f7aa7c7d24cdc0235b8.jpg?v=1785468629","url":"https:\/\/voomisupply.com\/products\/bell-gossett-bg-118473-spring-type-coupler-pump","provider":"Voomi Supply","version":"1.0","type":"link"}