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Groco
Groco Combo Thru-Hull Fitting with Nut
Item: #867870 | Part Number: Not Selected$16.24 - $868.99
Description
The Groco Combo Thru-Hull Fitting with Nut is a durable bronze fitting designed for improved water flow and reliable hull penetration. Featuring a flanged retaining nut and NPSM/NPT combination threads, it delivers a secure, watertight connection. UL Listed and built from marine-grade bronze, it's a dependable choice for demanding marine installations.
Groco Combo Thru-Hull Fitting with Nut Item # 867870
Description
The Groco Thru Hull fitting is made of bronze and comes with a flanged retaining nut. The design of this thru hull fitting allows for an increased flow compared to standard thru hulls.
Features:
- NPSM/NPT combination thread
- UL Listed 647B
- Material: C83600 Bronze or #316 Stainless Steel
Specifications:
- 1/2" NPS:
- A: 2.2
- B: 0.3
- C: 1.7
- 3/4" NPS/BSPP:
- A: 2.2
- B: 0.3
- C: 1.9
- 1" NPS/BSPP:
- A: 2.85
- B: 0.3
- C: 2.32
- 1 1/4" NPS/BSPP:
- A: 2.9
- B: 0.3
- C: 2.62
- 1 1/2" NPS/BSPP:
- A: 3.15
- B: 0.3
- C: 2.89
- 2" NPS/BSPP:
- A: 3.9
- B: 0.3
- C: 3.33
- 2 1/2" NPS:
- A: 3.56
- B: 0.42
- C: 4.4
- 3" NPS:
- A: 4
- B: 0.42
- C: 5.5
- 4" NPS:
- A: 5.31
- B: 0.56
- C: 7
Part Numbers for Groco Combo Thru-Hull Fitting with Nut
Reviews
Rated 5 out of
5
by
Red Beard from
Thru Hull
Very high quality thru hull seacock. Was an exact match for fittings on 1998 48" Ocean Yachts
Date published: 2025-06-13
Rated 5 out of
5
by
Peter from
Good quality fitting
Good quality bronze through hull. Finish is smooth and flange is solid
Date published: 2025-03-17
Rated 5 out of
5
by
SV Legacy, Capt Shane from
Got what I needed quick.
Got what I needed. Just what I ordered. Came on time. Can always depend on Defender.
Date published: 2023-10-16