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Water heaters handle all kinds of liquids: antifreeze in winter, tap water in summer, even hard water or water with impurities. Standard pumps often stall, clog, or fail when faced with non-standard fluids. Our pump works seamlessly with clean water, antifreeze, and more. It runs reliably from sub-zero winters to sweltering summers, and thrives in humid kitchen/bathroom environments — no seasonal maintenance, no unexpected downtime.
Water heaters are installed in kitchens and bathrooms — spaces where moisture is constant. Ordinary pumps develop issues over time: rust, water intrusion, short circuits, and more. This pump features IP68 top-tier waterproof & dustproof certification, meaning it operates normally even when fully submerged. Splashes, humidity, and wet conditions are no match for it — install once, enjoy years of stable performance, no frequent maintenance needed.
Back to the core pain point of waiting for hot water: this hot water heater recirculating pump delivers strong, consistent flow and solid lift, pushing hot water all the way to the farthest fixture without losing power. Turn on the tap, and hot water arrives instantly — no waiting, no wasted cold water. Best of all, it’s ultra-low-power: even hundreds of on/off cycles a day barely impact your energy bill, powerful yet cost-effective.
This table is a detailed product parameter sheet for the CRP050A water heater pump, clearly divided into two core sections: Operating Environment & Medium Specifications and Product Specifications & Features.
| MODEL: CRP050A | |||
|---|---|---|---|
| AMBIENT TEMP | -25~55℃ | HUMIDITY | Below 90% RH |
| MEDIUM | PURE WATER / ANTIFREEZE | MEDIUM TEMP | -40~98℃ |
| WATERPROOF | IP68 | CONSTANT/CONTINUOUS PRESSURE | 1.5MPa / 0.5MPa |
| SPECIFICATION | FEATURE | ||
| RATED VOLTAGE | 24V DC | COLOR | BLACK |
| RATED CURRENT | 2(1±10%)A | WEIGHT | 272g |
| RATED POWER | 48(1±10%) W | NOISE | ≦ 40dB@1m |
| MAX FLOW | 20, 19.5±1 L/min | LIFETIME | ≧ 2000H |
| MAX HEAD | 16±1 m | INSULATION | F (155℃) |
This hot water heater circulation pump is purpose-built for one job: moving hot water fast, reliably, and efficiently. It handles any fluid, survives any humid environment, delivers powerful flow without wasting energy. Need custom connectors or voltage? We offer tailored solutions to match your water heater design perfectly. You focus on building a great water heater — we’ll make sure hot water gets where it needs to go, every single time.
Custom OEM solutions. Contact RETO today.
The pump operates reliably with pure water, tap water, antifreeze, and fluid solutions with minor impurities across a wide medium temperature range of -40℃ to 98℃.
Yes, it features top-tier IP68 waterproof and dustproof certification. It is completely protected against water splashes and can operate safely even when fully submerged in kitchen or bathroom settings.
The model CRP050A runs on a 24V DC rated voltage with a rated power consumption of 48(1±10%)W and a current of 2(1±10%)A, ensuring high efficiency with minimal power draw.
The pump produces a maximum head lift of 16±1 meters and a flow rate reaching up to 20 L/min, providing ample pressure to deliver instant hot water across long pipe runs.
The unit operates quietly with noise levels rated at or below 40dB at a 1-meter distance, guaranteeing near-silent operation inside residential fixtures.
Yes, RETO provides tailored OEM solutions including customized voltages, connectors, and mounting configurations to suit individual water heater structural requirements.
