Is this an on-demand pump?

Yes. Switch it on and it runs a little to pressurize the system then shuts off until there is demand, for instance when the spray wand is operated.

Can this be used to pump water from a 25 feet away tank to supply a sink in my summer camp....for washing hands etc, ?

I'd say yes. Depending on elevation difference between the tank and sink. Bigger difference = less water flow until gravity wins and stops flow.

What kind of power supply can I use with this? I need to convert it from 110v to 12v dc

You can use a car battery, or you can buy a 110 to 12v dc converter.

can I reverse polarity and run it in both directions?

I really don't think so. This is a diaphram pump , so there is no rotary vane to reverse the direction of flow.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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SEAFLO 22-Series Water Pump - 12V, 1.3 GPM, 100 PSI - On-Demand Water Pressure Diaphragm Pump for Marine, RV, Agriculture, and Off-Grid Applications

SEAFLO 22-Series Water Pump - 12V, 1.3 GPM, 100 PSI - On-Demand Water Pressure Diaphragm Pump for Marine, RV, Agriculture, and Off-Grid Applications

Product ID: 21632353

Details

Brand
SEAFLO
Color
Red
Item Weight
2.4 pounds
Material
Stainless
Maximum Flow Rate
1.3 gpm
Maximum Lifting Height
6 feet

⚡12V power for versatile DC use

💧1.3 GPM steady water flow

🔧100 PSI max pressure shut-off

€ 125.17

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💦 Elevate your water game—pressure, power, and performance on demand!

ROBUST 100 PSI SHUT OFF - Maintains optimal pressure automatically, ensuring energy efficiency and pump longevity.
POWERFUL 12 V PERFORMANCE - Seamlessly integrates with your marine, RV, or off-grid setup for reliable water pressure anytime.
SELF PRIMING UP TO 6 FEET - Install anywhere with confidence—pump water even when positioned above the source.
DURABLE DRY RUN PROTECTION - Engineered to run dry without damage, giving you peace of mind during low-water conditions.
CONSISTENT 1 3 GPM FLOW RATE - Delivers steady water supply to keep your daily tasks flowing without interruption.

The SEAFLO 22-Series 12V diaphragm water pump delivers a reliable 1.3 GPM flow at 100 PSI shut-off pressure, perfect for marine, RV, agricultural, and off-grid applications. Featuring self-priming up to 6 feet and dry-run protection, it ensures durable, energy-efficient, and hands-free operation with built-in pressure switch automation. Constructed with high-quality EPDM valves and Santoprene diaphragm, it meets strict safety and environmental standards for long-lasting performance.

Specifications

ASIN	B0166UBJX4
Best Sellers Rank	#68,837 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #45 in Utility Pumps
Brand	SEAFLO
Brand Name	SEAFLO
Color	Red
Customer Reviews	4.3 out of 5 stars 621 Reviews
Flow Rate	1.3 gpm
Global Trade Identification Number	00742010355694
Item Dimensions L x W x H	7.35"L x 4.31"W x 2.83"H
Item Weight	2.4 pounds
Manufacturer	SEAFLO
Manufacturer Part Number	SFDP1-013-100-22
Material	Stainless Steel
Material Type	Stainless Steel
Maximum Lifting Height	6 feet
Model Number	SFDP1-013-100-22
Number of Items	1
Power Source	dc
Product Dimensions	7.35"L x 4.31"W x 2.83"H
Product Style	Diaphragm Pump,Pressure Pump,Diaphragm
Specific Uses For Product	marine, RV, agriculture, off-grid applications
Style	Diaphragm Pump , Pressure Pump, Diaphragm
UPC	637776645656 742010355694
Unit Count	1 Count
Voltage	12 volts_of_direct_current

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