0011-BF4-J Cast Iron Circulator Pump, 33 GPM, AC 120V 33 ft Hot Water Recirculating Circulation Pump, 1-1/4 in Flange Connection, 3-Speed Adjustment, Quiet Operation, for Home Heating System

VEVOR Cast Iron Hot Water Circulator Pump — 33 GPM, 33 ft Head, 1/3 HP, 120V

Built 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 Features

• High-capacity 1/3 HP motor delivers 33 GPM and 33 ft head lift for large heating systems
• 3-speed adjustment to fine-tune flow for multi-zone or whole-home hydronic systems
• Quiet operation under 45 dBA — suitable for residential and light commercial installations
• IP44 waterproof & dustproof rating with built-in check valve for safe, reliable operation
• 1-1/4" flanged connection for easy drop-in replacement of same-spec pump heads
• Cast iron body withstands 35°F–230°F for long-term, high-temperature durability

Specifications

• Model: 0011-BF4-J
• Brand: VEVOR
• Power: 1/3 HP
• Voltage: AC 120V
• Max Flow Rate: 33 GPM
• Max Head Lift: 33 ft
• Speed Settings: 3
• Noise Level: <45 dBA
• Connection: 1-1/4" Flange
• Temperature Range: 35°F – 230°F (2°C – 110°C)
• Protection Rating: IP44
• Material: Cast Iron

Compatible Heating Systems

• Large radiant floor (hydronic) heating systems
• Multi-zone baseboard radiator systems
• High-output boilers & wall-hung boilers
• Tankless & storage water heaters
• Hot water recirculation systems