Groco WSB-500 Inline Fresh Water Strainer 1/2" NPT Ports with #304 SS Basket and Mounting Bracket

The Groco WSB-500 is a 1/2" inline fresh water pump inlet strainer designed to protect onboard fresh water pumps and plumbing systems from supply tank debris. Part of Groco's trusted WSB Series, this compact strainer is built for above-waterline installation and is an essential component in any marine fresh water system.

Key Features:

• White nylon strainer head — durable, corrosion-resistant construction for long service life
• Clear plastic sight glass — provides instant visual inspection of basket condition without disassembly
• Tool-free maintenance — sight glass unscrews easily for quick filter basket removal and cleaning
• Included mounting bracket — hardware included for secure, permanent installation
• #304 stainless steel 20-mesh basket — coarse filtration suitable for fresh water applications
• 1/2" female NPT ports — standard inlet and discharge port sizing for easy plumbing integration
• Above-waterline use only — designed for fresh water pump protection in marine plumbing circuits

The WSB-500 features 1/2" female NPT threaded inlet and discharge ports and is recommended for fresh water applications using the included #304 SS basket. For saltwater or continuous-duty AC or generator applications, see the WSB-500-P with plastic basket. Replacement baskets and individual service parts are available separately from Groco.