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Add to CartThe Groco Hi-Speed Strainer is a NPT combo scoop thru hull that is designed for increased flow compared to standard thru hulls. This strainer is constructed of C83600 bronze and is available in a variety of sizes.
| Part Number | Thread NPS | A | B | C | D | Weight |
| STH-750-W | 3/4" | 2.20" | 1.05" | 4.00" | 3.05" | 0.95 lbs. |
| STH-1000-W | 1" | 2.85" | 1.05" | 4.00" | 3.05" | 1.25 lbs. |
| STH-1250-W | 1-1/4" | 2.90" | 1.20" | 4.30" | 3.35" | 1.75 lbs. |
| STH-1500-W | 1-1/2" | 3.15" | 1.30" | 4.83" | 3.50" | 2.25 lbs. |
What is the Groco Hi-Speed Strainer with Nut used for?
The Groco Hi-Speed Strainer with Nut is a scoop thru-hull designed to provide increased flow compared to standard thru-hulls. It features an NPSM/NPT combination thread and is constructed from C83600 bronze.
What is the Groco Hi-Speed Strainer made from?
The Groco Hi-Speed Strainer is constructed from C83600 bronze. Each model also includes a nut as part of the supplied product configuration.
What thread type does the Groco Hi-Speed Strainer use?
The Groco Hi-Speed Strainer uses an NPSM/NPT combination thread. Available thread sizes are 3/4", 1", 1-1/4", and 1-1/2", depending on the selected model.
What sizes are available for the Groco Hi-Speed Strainer?
The Groco Hi-Speed Strainer is available in four sizes: STH-750-W with a 3/4" thread, STH-1000-W with a 1" thread, STH-1250-W with a 1-1/4" thread, and STH-1500-W with a 1-1/2" thread.
Does the Groco Hi-Speed Strainer include a nut?
Yes. The Groco Hi-Speed Strainer includes a nut. Verify the selected model's thread size and dimensions against your intended installation before choosing the strainer.
How much do the Groco Hi-Speed Strainer models weigh?
The STH-750-W weighs 0.95 lbs., the STH-1000-W weighs 1.25 lbs., the STH-1250-W weighs 1.75 lbs., and the STH-1500-W weighs 2.25 lbs. The exact dimensions also vary by model.
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
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