{"product_id":"weil-mclain-511-405-153","title":"Weil McLain 511-405-153 Circulator Pump","description":"\u003cp\u003eThe \u003cstrong\u003eWeil McLain 511-405-153\u003c\/strong\u003e is the factory service part number for the \u003cstrong\u003eTaco 007e ECM High-Efficiency Circulator\u003c\/strong\u003e, a \u003cstrong\u003evariable-speed wet-rotor circulator pump\u003c\/strong\u003e with a \u003cstrong\u003epermanent magnet ECM motor\u003c\/strong\u003e. The pump in the product photo carries the \u003cstrong\u003eTaco Comfort Solutions\u003c\/strong\u003e badge, the \u003cstrong\u003e007e ECM High-Efficiency Circulator\u003c\/strong\u003e name and an \u003cstrong\u003eOEM\u003c\/strong\u003e marking, with a \u003cstrong\u003eSTATUS\u003c\/strong\u003e LED window on the motor end. Weil-McLain's \u003cstrong\u003eBulletin MB-1907\u003c\/strong\u003e introduced the \u003cstrong\u003e007e\u003c\/strong\u003e as the new service part, \u003cstrong\u003e511-405-153\u003c\/strong\u003e, replacing the standard \u003cstrong\u003eTaco 007\u003c\/strong\u003e circulator, \u003cstrong\u003e511-405-113\u003c\/strong\u003e, on the boilers listed below. The bulletin says the \u003cstrong\u003e007e\u003c\/strong\u003e can be used interchangeably with, or in place of, the \u003cstrong\u003e007\u003c\/strong\u003e on those models, with performance that is similar but not identical, and cites up to \u003cstrong\u003e50% lower power consumption\u003c\/strong\u003e than \u003cstrong\u003eAC permanent split capacitor (PSC)\u003c\/strong\u003e circulators.\u003c\/p\u003e\n\n\u003cp\u003eWeil-McLain lists the \u003cstrong\u003eECM circulator\u003c\/strong\u003e on the \u003cstrong\u003eCGa-25\u003c\/strong\u003e, \u003cstrong\u003eCGa-3\u003c\/strong\u003e, \u003cstrong\u003eCGa-4\u003c\/strong\u003e and \u003cstrong\u003eCGa-5\u003c\/strong\u003e gas boilers, the \u003cstrong\u003eCGi-25\u003c\/strong\u003e, \u003cstrong\u003eCGi-3\u003c\/strong\u003e, \u003cstrong\u003eCGi-4\u003c\/strong\u003e and \u003cstrong\u003eCGi-5\u003c\/strong\u003e gas boilers, all \u003cstrong\u003eCGt\u003c\/strong\u003e gas boilers, the \u003cstrong\u003eUltra 80\u003c\/strong\u003e and \u003cstrong\u003eUltra 105\u003c\/strong\u003e gas boilers, the \u003cstrong\u003eUltra Oil 3E\u003c\/strong\u003e and \u003cstrong\u003e4E\u003c\/strong\u003e oil boilers, the \u003cstrong\u003eWGO-2\u003c\/strong\u003e, \u003cstrong\u003eWGO-3\u003c\/strong\u003e and \u003cstrong\u003eWGO-4\u003c\/strong\u003e oil boilers, and the \u003cstrong\u003eWTGO-3\u003c\/strong\u003e, \u003cstrong\u003eWTGO-3L\u003c\/strong\u003e and \u003cstrong\u003eWTGO-4\u003c\/strong\u003e oil boilers. On the \u003cstrong\u003eCGa\u003c\/strong\u003e, \u003cstrong\u003eCGi\u003c\/strong\u003e, \u003cstrong\u003eWGO\u003c\/strong\u003e and \u003cstrong\u003eWTGO\u003c\/strong\u003e families the bulletin applies only to part numbers that currently include a circulator, and other sizes keep the standard \u003cstrong\u003eTaco 007\u003c\/strong\u003e. Published \u003cstrong\u003eTaco 007e\u003c\/strong\u003e ratings include \u003cstrong\u003e120V\u003c\/strong\u003e, \u003cstrong\u003e60 Hz\u003c\/strong\u003e, \u003cstrong\u003esingle-phase\u003c\/strong\u003e power at \u003cstrong\u003e0.54 amps\u003c\/strong\u003e maximum, a \u003cstrong\u003ecast iron\u003c\/strong\u003e volute, a \u003cstrong\u003eflanged\u003c\/strong\u003e connection, \u003cstrong\u003e0 to 16 GPM\u003c\/strong\u003e flow, a fluid temperature range of \u003cstrong\u003e36°F to 230°F\u003c\/strong\u003e and a \u003cstrong\u003e125 psi\u003c\/strong\u003e maximum working pressure.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e007e\u003c\/strong\u003e is built to protect itself. \u003cstrong\u003eBIO Barrier\u003c\/strong\u003e shields the rotor from system contaminants, \u003cstrong\u003eSureStart\u003c\/strong\u003e frees a locked rotor and self-purges air at startup, and an \u003cstrong\u003eIntegral Flow Check (IFC)\u003c\/strong\u003e is built into the pump to stop \u003cstrong\u003eghost flow\u003c\/strong\u003e when the pump is off. It is \u003cstrong\u003edouble insulated\u003c\/strong\u003e, so \u003cstrong\u003eno ground wire is required\u003c\/strong\u003e, and it comes with \u003cstrong\u003edual electrical knockouts\u003c\/strong\u003e and \u003cstrong\u003e6-inch stranded leads\u003c\/strong\u003e. The \u003cstrong\u003eLED status indicator\u003c\/strong\u003e shows orange for normal operation and white while \u003cstrong\u003eSureStart\u003c\/strong\u003e is working. When a circulator fails, the usual symptoms are \u003cstrong\u003eno flow with a hot boiler\u003c\/strong\u003e, \u003cstrong\u003enoise or bearing rumble\u003c\/strong\u003e, \u003cstrong\u003eair that will not purge\u003c\/strong\u003e, or \u003cstrong\u003eno motor response\u003c\/strong\u003e with power at the leads. Isolate the boiler and drain it down below the pump, remove the flange bolts, drop in the new pump with \u003cstrong\u003efresh flange gaskets\u003c\/strong\u003e, make the \u003cstrong\u003e120V connection\u003c\/strong\u003e, then \u003cstrong\u003epurge the loop\u003c\/strong\u003e and confirm the \u003cstrong\u003eLED status light\u003c\/strong\u003e and flow before you leave.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWeil-McLain Service Part:\u003c\/strong\u003e The factory \u003cstrong\u003e511-405-153\u003c\/strong\u003e number from \u003cstrong\u003eBulletin MB-1907\u003c\/strong\u003e, tied to the boiler models that use the \u003cstrong\u003eECM circulator\u003c\/strong\u003e.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eECM Efficiency:\u003c\/strong\u003e A \u003cstrong\u003epermanent magnet ECM motor\u003c\/strong\u003e that Weil-McLain says cuts power consumption by up to \u003cstrong\u003e50%\u003c\/strong\u003e against \u003cstrong\u003ePSC\u003c\/strong\u003e circulators.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBuilt-In Protection:\u003c\/strong\u003e \u003cstrong\u003eBIO Barrier\u003c\/strong\u003e, \u003cstrong\u003eSureStart\u003c\/strong\u003e and \u003cstrong\u003eIntegral Flow Check (IFC)\u003c\/strong\u003e are part of the pump.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDirect Standard-Pump Upgrade:\u003c\/strong\u003e Weil-McLain lists the \u003cstrong\u003e007e\u003c\/strong\u003e as usable in place of the standard \u003cstrong\u003eTaco 007\u003c\/strong\u003e (\u003cstrong\u003e511-405-113\u003c\/strong\u003e) on its listed models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWhich Weil-McLain boilers use the 511-405-153?\u003c\/strong\u003e The \u003cstrong\u003eCGa\u003c\/strong\u003e, \u003cstrong\u003eCGi\u003c\/strong\u003e, \u003cstrong\u003eCGt\u003c\/strong\u003e, \u003cstrong\u003eUltra 80\u003c\/strong\u003e, \u003cstrong\u003eUltra 105\u003c\/strong\u003e, \u003cstrong\u003eUltra Oil 3E\u003c\/strong\u003e, \u003cstrong\u003eUltra Oil 4E\u003c\/strong\u003e, \u003cstrong\u003eWGO\u003c\/strong\u003e and \u003cstrong\u003eWTGO\u003c\/strong\u003e families listed in \u003cstrong\u003eBulletin MB-1907\u003c\/strong\u003e. On the \u003cstrong\u003eCGa\u003c\/strong\u003e, \u003cstrong\u003eCGi\u003c\/strong\u003e, \u003cstrong\u003eWGO\u003c\/strong\u003e and \u003cstrong\u003eWTGO\u003c\/strong\u003e families, only part numbers that currently include a circulator are affected.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCan I use the 511-405-153 in place of the 511-405-113?\u003c\/strong\u003e Yes, on the models in the bulletin. Weil-McLain states the \u003cstrong\u003e007e\u003c\/strong\u003e (\u003cstrong\u003e511-405-153\u003c\/strong\u003e) can be used interchangeably with or in place of the standard \u003cstrong\u003eTaco 007\u003c\/strong\u003e (\u003cstrong\u003e511-405-113\u003c\/strong\u003e), although performance is similar rather than identical.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWhat does the LED on the pump mean?\u003c\/strong\u003e The \u003cstrong\u003estatus LED\u003c\/strong\u003e shows \u003cstrong\u003eorange\u003c\/strong\u003e during normal operation and \u003cstrong\u003ewhite\u003c\/strong\u003e while the pump runs its \u003cstrong\u003eSureStart\u003c\/strong\u003e routine to free a locked rotor and purge air.\u003c\/li\u003e\n\u003c\/ul\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":"Weil McLain","offers":[{"title":"Default Title","offer_id":67668997865650,"sku":"511-405-153","price":219.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/511-405-153.jpg?v=1791573109","url":"https:\/\/www.gsistore.com\/products\/weil-mclain-511-405-153","provider":"GSIstore","version":"1.0","type":"link"}