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, 4.5L/Min Self Priming Diaphragm Water Pump,85 Psi High-Pressure for Caravan Camper Boat Shower Lawn Garden

Product ID: 409081132

Details

Brand
Longrun
Colour
Black
Item weight
0.7 Kilograms
Material
Plastic
Maximum flow rate
4.5 Litres Per
Maximum lifting height
2.5 Metres

⚡12V DC power

💧4.5L/min flow rate

🔧85 PSI max pressure

€ 84.49

Duties & taxes included

In stock

Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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Description

💦 Power your adventures with precision and quiet confidence!

VERSATILE USE CASES - Ideal for caravans, boats, gardens, and outdoor showers—your all-in-one water solution.
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 on demand.

The LONGRUN 12V DC Water Pump delivers a robust 4.5 liters per minute flow at up to 85 PSI, powered by a high-quality copper motor with smart overvoltage protection. Designed for easy installation and whisper-quiet operation, it’s perfect for caravans, boats, gardens, and outdoor showers—combining durability and versatility in a compact, efficient package.

Specifications

ASIN	B09D7X7RJX
Best Sellers Rank	16,369 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 7 in Boat Water Pressure Pumps
Brand	Longrun
Colour	Black
Country of Origin	China
Customer Reviews	4.0 4.0 out of 5 stars (331)
Flow Rate	4.5 Litres Per Minute
Is Green Purchasing Law Compliant	Yes
Item Dimensions L x W x H	16.2L x 8.5W x 5H centimetres
Item Weight	0.7 Kilograms
Manufacturer	LONGRUN
Material	Plastic
Maximum Lifting Height	2.5 Metres
Model Number	c90daa15-4cc0-4ba6-a396-c1f934621399
Number of Items	1
Number of Packs	1
Part Number	c90daa15-4cc0-4ba6-a396-c1f934621399
Power source	Corded Electric
Product Style	Diaphragm
UPC	732122536104
Unit Count	1.0 count
Usage	RV, Caravan, Boat, RV, Garden, Irrigation, Agriculture
Voltage	12 Volts

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TrustScore 4.5 | 7,300+ reviews

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€ 84.49

Duties & taxes included

In stock

Sold byAmazon ItalyDelivered 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 Italy.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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