Lousy house pressure, if I connect outlet of garden faucet to inlet of this pump will I get better outlet pressure to drive an impact type sprinkler?

No it will not do anything for you... This is also 12V not 110 so maybe you should look into your houses old plumbing or contact city about your low water pressure

Yes it has a pressure switch that shuts it off when you shut the flow of water off

What is the power usage for this motor? Amp hours would be best, but pretty much any measure would be helpful.

This is a 12V DC water pressure pump. The max amperage draw is 7.5 Amps. All technical specifications on the pump can be found here: http://seaflo.com/en-us/product/detail/609.html

What is the wattage need when using a power supply

On the placard for the product that I bought, as well as in the product specs, the amperage is listed as 3.5A, with a maximum of 7.5A(presumably when the pump starts). Ohm’s law states that P=VI, so this yields an average of 12V*3.5A = 42W with a worst case of 12V*7.5A=90W.

Seaflo 42 Series Diaphragm Pump With Bypass For Reduced Cycling

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Description

💧 Pump smarter, not harder — power and precision in one compact package!

BUILT TO LAST - 2-year warranty backed by RoHS, SGS, and ISO certified quality
SMART CYCLING - Internal bypass technology minimizes wear with reduced cycling
FLOW LIKE A PRO - Delivers a robust 3.0 gallons per minute for efficient pumping
COMPACT ADAPTABLE - Fits tight spaces with customizable inlet fittings for any setup
POWER MEETS PRECISION - Dual 12V/24V compatibility for versatile power needs

The SEAFLO 42 Series Diaphragm Pump is a compact, high-performance 12V/24V utility pump delivering 3.0 GPM at 55 PSI. Featuring self-priming, run-dry safety, and innovative bypass technology to reduce cycling, it’s engineered for durability and adaptability across marine, RV, agricultural, and industrial applications. Certified to global standards and backed by a 2-year warranty, it’s the reliable choice for professionals demanding efficiency and longevity.

Reviews

User

Recommended

Purchased with the pump Seaflow accumulator tank- great combination, very smooth consistent water flow and volumes super low. Fantastic purchase

8.07.2024

User

Seaflo o melhor

Excelente!

13.02.2026

User

conectar

todo perfecto

9.05.2026

User

HH, 48h après le montage...

Acheter pour remplacer ma pompe Surflo qui donnait des signes de fatigue après 6 ans de bons et loyaux services.La pression était correcte et le prix aussi.Cerise sur le gâteau elle est très silencieuse.Mais une cosse à l'intérieur du capteur de surpression devait être mal serré en usine.Résultats il a pris feu pendant que je dormais. J'ai été réveillé par une fumée et une forte odeur de brûlé. Le pressostat allait prendre feu alors que le fusible de 15 ampères n'avait pas bougé. Est-ce de la malchance ? En tout cas je n'ai plus confiance dans ce produit aux vues des autres commentaires...

13.04.2022

User

Muy buena relación calidad/precio

Muy buen producto ‼️

17.06.2026

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Asin	B01CQ7DD0S
Best Sellers Rank	#3 in Boat Plumbing
Date First Available	28 May 2016
Is Discontinued By Manufacturer	No
Item Model Number	SFDP1-030-055-42
Manufacturer	SEAFLO
Product Dimensions	20.24 x 12.5 x 11.1 cm; 2.18 kg

Seaflo 42 Series Diaphragm Pump with Bypass for Reduced Cycling 12V/24V 3.0GPM 55PSI (12 Volts)

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