Can you adjust the "shut-off" pressure down from 45 PSI?

Locate the allen screw on the pressure switch located on the front of the pump, use an allen key to turn it clockwise to increase pressure or counterclockwise to decrease pressure.

Can you hook up to 3/4 pex?

The output is 1/2" MNPT. You would need a 1/2"FNPT to 3/4" Pex Fitting

could this pump, pump water up 6 feet

Yes, this pump will both pull and push water up 6 feet.

Why will my pump make noise but not pump water. It has been dry for 5 days of travel. Now we are parked and it’s not working.

2 possible problems come to mind. The pump is self priming, as long as there is water in the tank getting to the pump it should work. There is a possibility that it was installed the wrong way, there is an intake opening and an output opening. Check that, it could be the problem. The pump could also be defective if there is water getting to it and it is installed correctly but still not working...

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Seaflo 12v 2.8 GPM 45 PSI Water Pressure Pump by Seaflo

Product ID: 543190028

Details

Brand
Seaflo
Colour
Black
Item weight
4.2 Pounds
Material
EPDM
Maximum flow rate
3 Gallons Per
Maximum lifting height
6 Feet

⚡12V DC power

💧3.0 GPM flow rate

🔧45 PSI pressure

€ 295.51

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚿 Elevate your water game with the pump trusted by top RV pros!

CERTIFIED SAFE SOUND - NSF, UL, and CSA certified for potable water—perfect for health-conscious RV and marine pros.
WHISPER QUIET OPERATION - Ultra-quiet vibration dampening mount ensures peaceful environments without disruptive pump noise.
CONSISTENT FLOW ANYTIME - Delivers a steady 3.0 GPM at 45 PSI for reliable water pressure across up to 4 fixtures simultaneously.
SMART AUTO PRESSURE CONTROL - Built-in adjustable pressure switch automates start/stop based on demand, for hands-free convenience.
DURABILITY MEETS FLEXIBILITY - Self-priming up to 6 feet and run-dry capable, backed by a 4-year warranty for long-term peace of mind.

The Seaflo 12V 2.8 GPM 45 PSI Water Pressure Pump is a high-performance, NSF/UL/CSA certified diaphragm pump designed for RVs, boats, and off-grid living. It delivers consistent water pressure to multiple fixtures simultaneously, operates quietly with vibration dampening, and features an automatic adjustable pressure switch. Self-priming and run-dry capable, it’s backed by a 4-year warranty, making it the #1 OEM choice for leading RV manufacturers.

Specifications

ASIN	B00P8BE6S8
Best Sellers Rank	205,602 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 75 in Boat Water Pressure Pumps
Brand	Seaflo
Colour	Black
Customer Reviews	4.3 4.3 out of 5 stars (244)
Flow Rate	3 Gallons Per Minute
Global Trade Identification Number	00637776648008, 00647336944273, 00793945653393
Included Components	(1) SEAFLO 33-Series Diaphragm Pump (1) Set of Instructions (2) 1/2" Barbed Hose Adaptors (1) 50 Mesh Inlet Strainer
Item Dimensions L x W x H	19.9L x 12.7W x 11.7H centimetres
Item Weight	4.2 Pounds
Manufacturer	SEAFLO
Material	EPDM, Santoprene
Maximum Lifting Height	6 Feet
Model Number	SFDP1-030-045-33
Number of Items	1
Number of Packs	1
Part Number	SFDP1-033-045-33
Power source	dc
Product Style	Thermal
UPC	793945653393 039923319654 647336944273 637776648008
Unit Count	1.0 count
Usage	Potable Water Pump
Voltage	12 Volts (DC)

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

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

5 days ago

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

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€ 295.51

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered 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 Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

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