Cast Iron Circulator Pump 33 GPM 33 ft Head

VEVOR Cast Iron Hot Water Circulator Pump — 33 GPM, 33 ft Head, 1/3 HP, 120VBuilt for larger hydronic heating systems, the VEVOR 0011-BF4-J cast iron circulator pump delivers serious performance with a 1/3 HP motor, up to 33 GPM flow rate, and a 33 ft head lift — making it the go-to choice for whole-home heating in larger residences, multi-zone systems, and commercial-adjacent applications. Three adjustable speed settings give you precise control over flow, while the quiet sub-45 dBA motor keeps operation unobtrusive. The 1-1/4″ flanged connection makes it a direct drop-in replacement for same-spec systems.Key FeaturesHigh-capacity 1/3 HP motor delivers 33 GPM and 33 ft head lift for large heating systems3-speed adjustment to fine-tune flow for multi-zone or whole-home hydronic systemsQuiet operation under 45 dBA — suitable for residential and light commercial installationsIP44 waterproof & dustproof rating with built-in check valve for safe, reliable operation1-1/4″ flanged connection for easy drop-in replacement of same-spec pump headsCast iron body withstands 35°F–230°F for long-term, high-temperature durabilitySpecificationsModel: 0011-BF4-JBrand: VEVORPower: 1/3 HPVoltage: AC 120VMax Flow Rate: 33 GPMMax Head Lift: 33 ftSpeed Settings: 3Noise Level: <45 dBAConnection: 1-1/4" FlangeTemperature Range: 35°F – 230°F (2°C – 110°C)Protection Rating: IP44Material: Cast IronCompatible Heating SystemsLarge radiant floor (hydronic) heating systemsMulti-zone baseboard radiator systemsHigh-output boilers & wall-hung boilersTankless & storage water heatersHot water recirculation systems