The top performer in Sequence’s versatile 1000 series. This powerful yet efficient external pond pump is perfect for larger ponds and demanding water features. Boasting a maximum flow of 6,100 GPH with strong head pressure, it’s ideal for ponds 6,000–10,000+ gallons (or systems needing high-volume circulation and good turnover). It excels in powering large waterfalls, extensive filtration, and UV sterilizer setups. Key Specifications: Max Flow Rate: 6,100 GPH Max Head Pressure: 23 feet Power: 115V, ~366 Watts, 1/3 HP TEFC motor for reliable, quiet operation Inlet/Outlet: 1.5" FPT suction and discharge Cord: 8-foot power cord with molded 115V plug Approximate Flow Rates at Different Heads: 0' head: 6,100 GPH 4' head: ~5,580 GPH 8' head: ~5,100 GPH 12' head: ~4,500 GPH Maintains solid performance up to 23' max head Recommended Applications Excellent for larger koi ponds, water gardens, and commercial-style features where high flow and moderate-to-high head pressure are required. The 1000 series is renowned for its efficiency and durability, making this model a go-to for bigger systems. Manufactured in the USA to the highest standards, the totally enclosed fan-cooled motor ensures long-term reliability with minimal maintenance. Features & Benefits: Highest flow in the 1000 series with excellent head capability Energy efficient for its performance level Quiet, robust TEFC motor with stainless steel hardware Easy to install and service This pump gives you power for substantial ponds while staying true to Sequence’s reputation for quality and efficiency. It pairs perfectly with our Aqua Ultraviolet sterilizers and other filtration equipment.