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Holding Tank seacock |
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mike pearce
Lieutenant Commander Joined: 26 January 2014 Status: Offline Points: 64 |
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Posted: 05 November 2019 at 15:55 |
Hi
The discharge seacock for the holding tank has become v stiff to operate so I need to replace this (plus the hose) over the winter. As my 370 is on the hard in Greece currently unfortunately I can't get the seacock off to check the size and would prefer to take a replacement out in the spring rather than hoping I can source locally on arrival. Anyone know the correct size of the fitting? It has been suggested this could be 1-1/4" BSP or 1-1/2" BSP. The flexible hose to which it connects is 40mm dia. Also, any recommendations /experience on the best type of seacock to go for? I'm fairly certain the current fitting is DZR. Thanks in anticipation for any advice / assistance. |
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Captain Cook
Admiral Joined: 23 May 2006 Location: Denmark Status: Offline Points: 1009 |
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Sizes? Search 400 "New seacocks/thru-hulls" |
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Freya H400 #27 (2006), 40HP 3JH4E, 2-cabin, 3-blade Flexofold, Aries LiftUp Windvane, Exturn 300, Jefa DD1,Simrad NX40,Icom M603(VHF)+M802(SSB)
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mike pearce
Lieutenant Commander Joined: 26 January 2014 Status: Offline Points: 64 |
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Thanks for the feed. Really useful.
Sounds like I need to consider replacement of all the thru hull fittings and seacocks over the next season or two. |
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Wild
Vice Admiral Joined: 18 March 2010 Location: Turkey-Greece Status: Offline Points: 784 |
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the waste tanks discharge valve is the critical one, the others least for much longer time in good condition.
if you change the discharge valve and the boat is on the dry change the truhull, elbow etc also by TRU DESIGN glassfibre. it is not very expensive and much better than the org stuff Hanse used. the only disadvantage : barnacles attached faster on the glassfiber truhull.
Edited by Wild - 07 November 2019 at 10:24 |
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Wild and Wet
Belgium 545e#268 |
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colinc
Captain Joined: 08 May 2019 Location: UK Status: Offline Points: 169 |
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Aren't the thru-hulls from TRU DESIGN already on Hanses? I thought they used those but not the valves.
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Wild
Vice Admiral Joined: 18 March 2010 Location: Turkey-Greece Status: Offline Points: 784 |
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I can only speak for my boat 2010 545e and at that time they don't used True Design truhulls and valves.
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Wild and Wet
Belgium 545e#268 |
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Captain Cook
Admiral Joined: 23 May 2006 Location: Denmark Status: Offline Points: 1009 |
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Look at the photo of my seacocks in - and you may be convinced, that the brass/DNZ brass mounted by Hanse has a limited period of life. My waste-tank seacock in the photo is showing a reddish circle, meaning that de-zinkifacation has started. The other seacocks look OK, but if your ship has passed her seventh birthday, please change them now! Sailors salute The Captain (Not Thomas Cook, just Captain Cook) Edited by Captain Cook - 07 November 2019 at 17:31 |
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Freya H400 #27 (2006), 40HP 3JH4E, 2-cabin, 3-blade Flexofold, Aries LiftUp Windvane, Exturn 300, Jefa DD1,Simrad NX40,Icom M603(VHF)+M802(SSB)
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colinc
Captain Joined: 08 May 2019 Location: UK Status: Offline Points: 169 |
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Must just be on the newer boats then.
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Fendant
Admiral Joined: 03 November 2012 Location: Switzerland Status: Offline Points: 1617 |
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afaik Hanse started to use Tru-Design on the 2019 models
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Frank
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colinc
Captain Joined: 08 May 2019 Location: UK Status: Offline Points: 169 |
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My boat is a 2014 505. The thruhulls are some sort of plastic - def not metal. So if they aren't Tru-Design what are they?
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