Could I use it to pump water out of a large fish tank into the sink?

Yes, as long as it is sitting outside the tank.

Would this be able to pump water from a large rainwater tank in order to irrigate a poly tunnel soaker hose irrigation system?

I use the pump to transfer water from a pond to drain (2m3 per hour). If your hose irrigation system needs less then 2m3 per hour then it should fo the job. If your irrigation system a spray system not sure how far the spray will travel.

Does this require pressure to work? Im intending to use it to pump stationary water from a barrel into another barrel. Thanks

The pump needs to connect to DC 12V power. It can use to pump stationary water

What Power adaptor do I need to connect to this pump?

I used Canadian style cables with a 12 volt terminal connector. To battery

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LONGRUN 12V DC Water Pump, 3L/Min Self Priming Diaphragm Water Pump, 65 Psi High-Pressure for Caravan Camper Boat Shower Lawn Garden

LONGRUN 12V DC Water Pump, 3L/Min Self Priming Diaphragm Water Pump, 65 Psi High-Pressure for Caravan Camper Boat Shower Lawn Garden

Product ID: 452703285

Details

Brand
Longrun
Colour
Black
Material
Plastic
Maximum flow rate
3 Litres Per
Maximum lifting height
2.5 Metres
Number of Packs
1

⚡12V DC power

💧3L/min flow rate

🔧65 PSI max pressure

366 Lei

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Sold byAmazon RomaniaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💦 Power your adventures with precision and quiet confidence!

DURABLE COPPER MOTOR - Premium pure copper coils ensure long-lasting, burn-resistant performance.
SMART PRESSURE CONTROL - Auto on/off pressure switch keeps water flow perfectly balanced.
EFFORTLESS INSTALLATION - Quick plug design for seamless setup—get running in minutes!
WHISPER QUIET OPERATION - Soft rubber mounts minimize vibration noise—peaceful power at work.
VERSATILE OUTDOOR ESSENTIAL - Ideal for caravans, boats, gardens, and outdoor showers—your all-in-one water solution.

The LONGRUN 12V DC Water Pump delivers a reliable 3L/min flow at up to 65 PSI, featuring a self-priming diaphragm design with intelligent overvoltage protection. Equipped with a high-quality copper motor and noise-reducing mounts, it’s engineered for durability and quiet operation. Perfectly suited for caravans, boats, garden irrigation, and outdoor showers, this compact pump combines efficiency with easy installation for versatile, on-the-go water management.

Specifications

ASIN	B09D7T4FQ6
Best Sellers Rank	47,289 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 20 in Boat Water Pressure Pumps
Brand	Longrun
Colour	Black
Country of Origin	China
Customer Reviews	4.0 4.0 out of 5 stars (328)
Flow Rate	3 Litres Per Minute
Is Green Purchasing Law Compliant	Yes
Item Dimensions L x W x H	16.2L x 8.5W x 5H centimetres
Manufacturer	LONGRUN
Material	Plastic
Maximum Lifting Height	2.5 Metres
Model Number	3L
Number of Items	1
Number of Packs	1
Power source	Battery Powered
Product Style	Diaphragm
UPC	732122536098
Unit Count	1.0 count
Usage	Home gardening, Boat maintenance, Camping activities, Lawn care
Voltage	12 Volts

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TrustScore 4.5 | 7,300+ reviews

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366 Lei

Duties & taxes included

In stock

Sold byAmazon RomaniaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Romania.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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