JINGNUO manufactures reliable submersible water pumps and outdoor water fountain equipment for aquariums, pet fountains, and garden features.
JINGNUO is a specialized manufacturer of submersible water pumps, outdoor water fountains, and aquarium equipment. Their product lineup features both AC and DC-powered water pumps suitable for a wide range of consumer and decorative applications, including pet drinking fountains, indoor and outdoor water features, fish tanks, and garden ponds.
Explore our comprehensive library of JINGNUO user manuals to find proper setup instructions, critical safety guidelines, and routine maintenance tips for pump models like the JN-300, JN-377, and JN-206.
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It is recommended to clean your JINGNUO pump every 2-4 weeks, or more frequently if used outdoors. Regular cleaning prevents debris buildup and algae growth. To remove mineral buildup, wipe components with diluted white vinegar (do not use harsh chemicals or bleach).
If you hear the pump running but see no water flow, ensure the pump is fully submerged. Check the water tube for any kinks or blockage. It might also be experiencing an air lock; simply unplug it, submerge it fully, gently tilt or shake it underwater to release trapped air, and plug it back in.
No. In freezing weather, you must unplug the pump, drain all water from it, dry it completely, and store it indoors to prevent ice from cracking or damaging the internal components.
No, never run a JINGNUO submersible pump dry. Keeping the pump fully submerged at all times is critical for heat dissipation and preventing permanent damage to the motor.