Name: Jabsco Par-Max HD3
Brand: Jabsco
Price: 166.06 USD

A heavy-duty 3 GPM marine pump with a 3-year warranty. It costs more than lighter pumps with higher pressure.

Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros

Cons

The Jabsco Par-Max HD family

Every Jabsco Par-Max HD model we rank, smallest first. Ratings compare each against its own flow.

Model	Flow	Rating	Price
Jabsco Par-Max HD3 (this one)	3 GPM	2.5/5	$166.06
Jabsco Par-Max HD4	4 GPM	3.2/5	$165.60
Jabsco Par-Max HD5	5 GPM	3.4/5	$228.83
Jabsco Par-Max HD6	6 GPM	3.4/5	$266.47

How it scores

The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its flow. How we rank explains each one.

A low-pressure pump for boats and gravity-style systems where gentle 25 psi flow is wanted. Most RVs want a 45 to 55 psi pump instead.

$121.48

3 GPM25 psi5.2 A

A low-draw 2.3 GPM pump for a small camper or van with one fixture in use at a time. Larger rigs get more water per dollar from a 3 GPM pump.

$120.10

2.3 GPM50 psi5 A

A small, low-draw pump for a single galley tap on a boat or van. Its 2 GPM at 30 psi is too little for an RV with a shower.

$114.80

2 GPM30 psi3.5 A