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GROCO 1" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut - TH-1000-WS

Marsoni M251S
Sale price$42.99
Pay 4 payments of $10.75 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
GROCO 1" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut - TH-1000-WSGROCO 1" NPS NPT Combo Stainless Steel Thru Hull Fitting w Nut TH 1000 WS 1" NPS NPT Combo Stainless Steel Thru Hull Fitting with Nut Features: NPSM NPT combination thread #316 Stainless Steel Sizes from 1 2" to 3" UL Listed 647B BSPP and Stainless Steel models available
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Your GROCO 1" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut - TH-1000-WS orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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You'll receive a tracking link by email once your GROCO 1" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut - TH-1000-WS ships.

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 1177 reviews
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Product Reviews
N
Verified Purchase
Nicole Beth-Manning
Omaha, US
★★★★★ 5
Looks good and fits
It looks good and fits perfectly; other than that, I have no idea how to tell if it's better or worse than anything else.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
W
Verified Purchase
WER
Battle Creek, US
★★★★★ 5
Happy with purchase
Works as well at the fraction of the price. Very happy with the purchase. Very easy to install
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 11, 2025
A
Verified Purchase
Amazon Customer
Natrona Heights, US
★★★★★ 5
Great OEM replacement at hlaf the cost
Looks exactly like the OEM filter a quality product. it is the same size fit and performance. Filter replacement is fast 10 min tops, it's crazy how much a dealer charges to replace it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2025
E
Verified Purchase
Elliot
Grantham, US
★★★★★ 5
As good as Honda OEM
Perfect fit. Lasts as long as OEM for 25% of the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 27, 2025
F
Verified Purchase
Fatman
San Leandro, US
★★★★★ 5
Great fit
Perfect fit. FYI - I bought the exact same one on EBAY FOR $11.78
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026

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