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Seaflo 33-Series — Review & Specs | Pricepect | Pricepect

Home Water PumpsSeaflo 33-Series

Seaflo 33-Series — image 1

Seaflo

Seaflo 33-Series

Expert Review Analysis

The Seaflo 33-Series Water Pump and Accumulator Tank System is a compact, pre-assembled 12V DC pressure system designed for marine and RV applications. It features a 3-chamber diaphragm pump with an integrated strainer and a 0.75 L pre-pressurized accumulator tank to deliver smooth, consistent water flow to 3-4 fixtures.

✓ Best for: Marine fresh water systems, RV and van conversions, agricultural spraying, and automotive applications requiring compact, demand-operated pressure for 3-4 fixtures.✗ Not ideal for: Applications requiring prolonged continuous water flow due to the intermittent duty cycle, or setups with insufficient 12V wiring capacity for an 8.0 A max draw.

Pros

✓Integrated accumulator tank reduces pump cycling for smoother water pressure
✓Self-priming capability allows suction lift up to 6 feet from water source
✓Run-dry safety protection prevents damage when water supply is depleted

Best Seller Rank History

Now#2Best#2Worst#13 +11

Lower = better sales rank

Rating Trend

Rating4.6/ 5Reviews322+201 reviews +0.09

Specifications

Design

Valve MaterialEPDM

Diaphragm MaterialSantoprene

Features

Accumulator Tank Volume0.2 Gallon L

Accumulator Tank Capacity23.5 oz

Accumulator Tank Rating125 PSI

StrainerIntegrated

Check ValveBuilt-in

General

BrandSeaflo

ManufacturerSEAFLO

ModelSFWSK1-030-045-002

ColorBlack

CertificationsCE, RoHS

Performance

Open Flow Rate3.0 GPM LPM

Max Flow Rate3.5 GPM LPM

Shut-off Pressure45 PSI BAR

Max Pressure50 PSI BAR

Cut-in Pressure28 PSI BAR

Ports

Inlet Port Size1/2"-14 MNPT

Outlet Port Size1/2"-14 MNPT

Power

Voltage12V DC V

Max Current Draw8.0 A mA

Recommended Breaker15 A mA

Wire Gauge16 AWG

Wire Length4.5 inches mm

Safety

Run-Dry ProtectionPrevents motor damage during dry operation

Thermal Overload ProtectionBuilt-in thermal cutoff to prevent overheating

Research Sources

seaflodirect.com

images.thdstatic.com

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Seaflo 33-Series vs Seaflo 33 Series

User Reviews

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4.6

(291 reviews)

$119.99

SFWSK1-030-045-002Black12V - 3.0 GPM

✓Quiet operation at 60 dB minimizes noise in living spaces or cabins

✓Pre-assembled unit with quick-connect fittings simplifies installation process

✓Thermal overload protection safeguards the motor during extended use

Cons

✗Intermittent duty cycle limits suitability for prolonged continuous operation
✗Maximum current draw of 8.0 A requires adequate 12V wiring and breakers
✗60 dB noise level may be noticeable in very quiet environments or cabins
✗Limited to supporting only 3 to 4 simultaneous water fixtures

From Expert Reviews

Praised by Experts

✓Pre-assembled design with quick connects reduces installation time and complexity
✓Reliable self-priming and run-dry protection ensure durability in marine environments
✓Compact form factor fits easily into tight spaces in boats and RVs

Expert Opinion

Professional reviewers and editors highlight the system's reliability and ease of installation for marine and RV use. Manufacturer descriptions emphasize its powerful 3.0 GPM flow, ultra-quiet performance, and superior self-priming capabilities as key benefits for boats and van conversions.

What Users Say

Search results provide no consumer reviews, ratings, or feedback. Consequently, there is no available data on common praise or complaints from everyday users.

Common Complaints

No specific user complaints are reported in the source data.

How It Compares

vs. Seaflo 33-Series 2.8 GPM Variant (SFDP1-028-045-33)

Advantages

✓Higher flow rate of 3.0 GPM compared to 2.8 GPM
✓Includes integrated accumulator tank and strainer

Disadvantages

✗Higher maximum current draw of 8.0 A compared to 6.0 A
✗May require more robust wiring than the lower-draw variant

Choose the 3.0 GPM model for higher water volume needs and integrated convenience, or the 2.8 GPM model for lower power consumption.

Materials

Valve MaterialCorrosion-resistant EPDM

Diaphragm MaterialSantoprene

Installation

Mounting BaseRubber base for vibration reduction

Dimensions & Weight

Height5.75 inches

Width10.24 inches

Depth14.57 inches

Weight5.95 Pounds

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