Si-Tex auto pilot

GPS, Sonor, Radar, Fish Finder, etc. Discuss electronics installation and upgrades.
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Molly B
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Joined: Tue Dec 26, 2017 6:46 am
Home Port: Mathews, VA

Sat Sep 01, 2018 7:54 am

I am trying to install a Si-Tex auto pilot on my Albin 34 classic trawler. I have discovered that the Hynautic steering uses metric hose for the return line. I need to connect the Hynautic return line to the auto pilot pump which is npt (?) and therefore not compatible. Does anyone have a solution?
Molly B
34' center cockpit fly bridge trawler
Chesapeake Bay

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Joined: Sun Sep 16, 2007 8:51 am
Home Port: Chester, Md
Location: Castle Harbor Marina

Sun Sep 02, 2018 8:51 am

I would suggest stopping by a local hydraulic hose shop. Take an existing fitting with you and measure the OD of the existing tubing. The tubing should have a layline with the size printed on it if you can read it. They should be able to provide the correct fittings.
Where are you on the Bay? I may be able to give you the name of a local shop.
Good luck
2005 31TE
Cummins 450

2006 28TE
Yanmar 6LP

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Home Port: Deale MD
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Sun Sep 02, 2018 2:22 pm

Try Thread Tool Supply at
They seem to have a veritable Alladin's cave of thread-related offerings, and might be worth a call.

Good luck.
Doug and Georgia
"Mazboot" - 1984 27 FC #142
Lehman 4D61
Zodiac 9' HP
Tribe 9.5 yak
Rockhold Creek, Deale MD

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