{"product_id":"erp-replacement-vent-hood-motor-sm550-su","title":"Range Hood Ventilator Motor For: NuTone SM550-SU ERSM550-SU","description":"\u003ch2\u003eERP SM550-SU Range Hood Ventilator Motor\u003c\/h2\u003e\u003cp\u003eThis ERP replacement single-speed ventilator motor is intended for compatible NuTone range hood applications. It can restore ventilation when the original motor is worn, noisy, intermittently operating, electrically open, or otherwise confirmed defective. Match the complete appliance model, original motor, shaft, impeller, rotation, mounting, wiring, and plug before ordering.\u003c\/p\u003e\u003ch3\u003eCompatible Part Numbers\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSM550-SU\u003c\/li\u003e\n\u003cli\u003eERSM550-SU\u003c\/li\u003e\n\u003cli\u003eUPC: 840993045547\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features and Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eApplication reference: NuTone.\u003c\/li\u003e\n\u003cli\u003eSpeed: Single speed.\u003c\/li\u003e\n\u003cli\u003eShaft diameter: 7\/32 inch, flat.\u003c\/li\u003e\n\u003cli\u003eShaft length: 1 inch.\u003c\/li\u003e\n\u003cli\u003eRotation: CCW when viewed from the shaft end.\u003c\/li\u003e\n\u003cli\u003eStack: Verify the original component and service documentation.\u003c\/li\u003e\n\u003cli\u003eLeads: 9 inches with 120 VAC plug.\u003c\/li\u003e\n\u003cli\u003eImpeller diameter: 4-9\/16 inches.\u003c\/li\u003e\n\u003cli\u003eShaft hole inside diameter: 0.218 inch.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFixes These Symptoms\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRange hood ventilator does not run.\u003c\/li\u003e\n\u003cli\u003eFan runs intermittently or stops unexpectedly.\u003c\/li\u003e\n\u003cli\u003eMotor is noisy, vibrates, or turns slowly.\u003c\/li\u003e\n\u003cli\u003eVentilation is weak after the impeller, duct, and controls are confirmed.\u003c\/li\u003e\n\u003cli\u003eVisible motor damage or an electrically open winding.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese symptoms may also be caused by switches, controls, wiring, impellers, bearings, obstructions, or blocked ductwork. Diagnose the appliance before replacing the motor.\u003c\/p\u003e\u003ch3\u003eCompatible Models\u003c\/h3\u003e\u003cp\u003eFits various models. Please verify compatibility with us before ordering. The NuTone brand reference does not guarantee fitment to every model.\u003c\/p\u003e\u003ch3\u003eCompatible Brands\u003c\/h3\u003e\u003cp\u003eNuTone.\u003c\/p\u003e\u003ch3\u003eInstallation Guidance\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eDisconnect electrical power before service and verify the circuit is de-energized.\u003c\/li\u003e\n\u003cli\u003eRecord the original motor wiring, plug, shaft orientation, rotation, impeller, mounting, and hardware before removal.\u003c\/li\u003e\n\u003cli\u003eConfirm the shaft dimensions, rotation, plug, impeller diameter, mounting arrangement, and appliance model against the original and service documentation.\u003c\/li\u003e\n\u003cli\u003eInspect the impeller, housing, duct, switch, wiring, and bearings for obstructions or damage before installation.\u003c\/li\u003e\n\u003cli\u003eSecure connections and route wiring away from moving or hot components.\u003c\/li\u003e\n\u003cli\u003eReinstall covers, guards, and the impeller before restoring power. Test for correct rotation, airflow, noise, and safe operation.\u003c\/li\u003e\n\u003cli\u003eUse a qualified technician when electrical wiring, appliance access, or compatibility is uncertain.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eERP replacement part. Confirm the full appliance model and original part number before ordering.\u003c\/p\u003e","brand":"ERP","offers":[{"title":"Default Title","offer_id":50280621146355,"sku":"ERSM550-SU","price":14.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/7859\/2755\/files\/SM550-SU.jpg?v=1788436182","url":"https:\/\/authenticapplianceparts.com\/ja\/products\/erp-replacement-vent-hood-motor-sm550-su","provider":"Authentic Appliance Parts","version":"1.0","type":"link"}