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Jabsco ParMax HD4 — Review & Specs | Pricepect | Pricepect

Home Water PumpsJabsco ParMax HD4

Jabsco ParMax HD4 — image 1

Jabsco

Jabsco ParMax HD4

$185.66

['Q401J118S3A']BlackNo Size 1-year warranty

Expert Review Analysis

The Jabsco Q401J-115S-3A Par-Max HD4 is a heavy-duty 12V DC marine freshwater delivery pump designed for reliable high-pressure water delivery in boats. It features a 4 GPM open flow rate, cast aluminum lower housing, and an integrated bypass for smooth, on-demand operation with dry-run protection.

✓ Best for: Marine vessels with 2-4 water outlets requiring high-pressure freshwater delivery in rough conditions, self-priming installs below the waterline, and systems needing dry-run tolerance.✗ Not ideal for: Single-outlet setups where the heavy-duty construction may be overbuilt, or applications requiring extremely compact dimensions not explicitly defined for this model.

Pros

✓Cast aluminum lower housing provides high-pressure performance and durability
✓Integrated internal bypass reduces cycling for quieter and smoother operation
✓Self-priming capability up to 6 ft vertical or 10 ft horizontal lift

Best Seller Rank History

Now#267Best#125Worst#731 +116

Lower = better sales rank

Rating Trend

Rating4.1/ 5Reviews56+31 reviews +0.09

Specifications

Design

Upper Housing MaterialFiber/glass-reinforced polypropylene

Lower Housing MaterialCast aluminum

Diaphragm MaterialCo-molded TPV

Check Valve MaterialEPDM

Port TypeQuick-connect

Features

BypassIntegrated

Dry-Run CapabilityYes

Pressure SwitchSealed

Vibration DampeningYes

General

Fluid Temperature Range32°F to 140°F °C

ModelQ401J-115S-3A

IP RatingIPX6

BrandJabsco

CertificationsCE, ISO 8846, RCM

Performance

Open Flow Rate4 GPM LPM

Shut-Off Pressure40 PSI BAR

Max Inlet Pressure30 PSI BAR

Self-Priming Vertical Lift6 ft m

Self-Priming Horizontal Lift10 ft m

Power

Voltage12V DC V

Motor TypeBrushed Permanent Magnet TENV

Motor HousingPowder-coated shell

Motor

Motor TypeBrushed, permanent magnet, Totally Enclosed Non-Ventilated (TENV)

Materials

Upper Housing MaterialFiber/glass-reinforced polypropylene

Diaphragm MaterialSantoprene or co-molded TPV

Check Valve MaterialEPDM

Certifications

Safety and Quality CertificationsCE, ISO 8846, RCM

Dimensions & Weight

Height4.1732283422 inches

Width4.1732283422 inches

Depth7.7165354252 inches

Weight7.5 pounds

Research Sources

hodgesmarine.com

marineengineparts.com

thechandleryonline.com

marinepartssource.com

freeportmarine.com

flutech-marine.com

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User Reviews

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4.3

(50 reviews)

✓Dry-run capability allows operation without damage if water supply is interrupted

✓Co-molded TPV diaphragm ensures long-term durability against wear

✓Sealed pressure switch protects internal components from moisture and corrosion

✓Brushed permanent magnet TENV motor offers quiet and efficient performance

Cons

✗Higher amp draw under load compared to lighter-duty plastic housing pumps
✗Requires clean water to prevent clogging of the included inlet strainer
✗Specific dimensions and weight are not explicitly listed in available data
✗Exact power draw curves are not detailed in the provided research data

From Expert Reviews

Praised by Experts

✓Heavy-duty construction ensures long life at high pressure in marine environments
✓Cast aluminum and heavy-duty motor improve pressure and lifespan over standard versions
✓Integrated bypass provides quiet and smooth flow compared to standard cycling pumps

Expert Opinion

Professional sources emphasize the pump's durability, high performance, and marine-grade build quality, noting that the HD series offers improved pressure and lifespan through its cast aluminum housing and heavy-duty motor compared to standard plastic models.

What Users Say

No direct consumer reviews or specific user feedback were found in the provided data; availability notes indicate neutral reception with standard return policies.

How It Compares

vs. Jabsco Standard Par-Max 4

Advantages

✓Cast aluminum lower housing offers superior durability and high-pressure performance compared to plastic housing

Disadvantages

✗Potentially overbuilt and heavier for light-duty applications with only 1-3 outlets

Choose the HD4 for heavy-duty marine use requiring high pressure and durability, or the standard Par-Max for lighter, cost-sensitive installations.

vs. Shurflo 4008

Advantages

✓Higher open flow rate of 4 GPM compared to the Shurflo's 3.5 GPM

Disadvantages

✗Shurflo offers a slightly higher max pressure of 45 PSI versus the Jabsco's 40 PSI

Choose the Jabsco HD4 for superior build quality and flow, or the Shurflo 4008 for general RV/marine use with slightly higher pressure ratings.

vs. Flojet Quad II

Advantages

✓Higher open flow rate of 4 GPM compared to the Flojet's 3 GPM

Disadvantages

✗Flojet has a lower max pressure of 35 PSI compared to the Jabsco's 40 PSI

Choose the Jabsco HD4 for higher flow and pressure in marine settings, or the Flojet Quad II for compact, low-flow applications.

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