Can this strainer be used after a pump (e.g. under pressure instead of vacuum) or just before?

I used it in my sailboat, it's between the sea water intake and the circulating salt water pump. Work well in that application! Sorry don't have more for you?

is this strainer bleach/chlorine tolerant?

it cheaply made and cracked under presure

Are there replacement plastic lids available from Seaflow and how can I order them?

yes, contact seaflo.com for a new top. If you are using it in a marine environment i would suggest you order a complete second unit.

I see others using this for raw water input for engine cooling. The pic shows the strainer above the motor, which means it would drain out each time?

The inlet will drain back through the suction line if you leave your seacock open. Close the seacock, twist off the top of the strainer clean the element. Refill any lost water, replace the top and open the seacock. The water will remain in the system, because of the vacuum lock when the top is reinstalled.

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SEAFLO Raw Cooling Water Intake Basket Strainer for Seawater Marine & Boat

Product ID: 111198542

Details

Brand
Seaflo
Item diameter
1.5 Inches
Outer material
Polyethylene
Product grade
Performance
Vehicle service type
Boat

💧Up to 53 GPM flow rate

🔍Transparent cover for easy inspection

🛡️4-Year Limited Warranty

Description

⚓ Keep your engine cool and your adventures unstoppable!

UNMATCHED DURABILITY - Rugged corrosion-resistant polyethylene ensures long-lasting marine performance.
EFFORTLESS MAINTENANCE - Twist-off transparent cover lets you monitor and clean the strainer without system downtime.
PEACE OF MIND WARRANTY - Backed by a 4-year limited warranty, protecting your investment on every voyage.
MAXIMIZED FLOW EFFICIENCY - Large surface filter design minimizes clogging, supporting up to 53 GPM for optimal engine cooling.
VERSATILE HOSE COMPATIBILITY - Fits multiple hose sizes from 1/2" to 1.5" for seamless integration with your boat’s systems.

The SEAFLO Raw Cooling Water Intake Basket Strainer is a high-performance marine filtration solution designed to protect your boat’s engine and onboard systems from debris. Featuring a corrosion-resistant polyethylene build, a transparent twist-off cover for easy cleaning, and compatibility with hose sizes from 1/2" to 1.5", it supports flow rates up to 53 GPM. Ideal for engine cooling, air conditioning, and washdown applications, it comes with a 4-year limited warranty to ensure reliability on every trip.

Specifications

ASIN	B079NR92H2
Automotive Fit Type	Universal Fit
Best Sellers Rank	94,829 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 57 in Boat Plumbing Fittings
Brand Name	Seaflo
Compatible with Vehicle Type	Boat
Customer Reviews	4.3 4.3 out of 5 stars (214)
Item Diameter	1.5 Inches
Manufacturer	SEAFLO
Manufacturer Part Number	SF-SWF001
Model Number	SF-SWF001
Number of Items	1
Number of Packs	1
Outer Material Type	Polyethylene
Product Grade	Performance Part
Style Name	Modern
UPC	647336948394
Unit Count	1.0 count

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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Good experience, but the tracking updates could be better.

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