Through hull seacock
- Thread starter VinnyC68
- Start date
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If you check out member Warthog5's 2530 project post, he details how he replaced that through-hull valve.
The factory valve is not a true seacock, but many of us have them, and with care (and maintenance), they work just fine.
The factory valve is not a true seacock, but many of us have them, and with care (and maintenance), they work just fine.
rwp48
Well-known member
Actually, I think that might be a Groco seacock. But regardless, proper installation demands that it be be installed on a backing plate. Most yards use wood. It shouldn't be mounted directly against the fiberglass. The backing plate will spread the load. Google "seacock installation" and you will see more than you need to know.
BTW, the bronze threaded plug is there to drain any captured water while winterizing. Yeah, I know...nobody ever does that. It's fairly common to replace the plug with a grease zerk to allow greasing of the valve.
Finally, don't use brass or copper fittings when you replumb, especially if this is installed below the waterline. They will corrode away almost before your eyes.
BTW, the bronze threaded plug is there to drain any captured water while winterizing. Yeah, I know...nobody ever does that. It's fairly common to replace the plug with a grease zerk to allow greasing of the valve.
Finally, don't use brass or copper fittings when you replumb, especially if this is installed below the waterline. They will corrode away almost before your eyes.
rwp48
Well-known member
Oh yeah, I forgot to mention, the threads on the thru-hull fitting, which goes into the bottom of the valve, are straight threads. The threads on the other side of the valve are tapered pipe threads.
warthog5
Well-known member
rwp48
Well-known member
That's a nice backing plate!
Most folks don't have the time, skill or inclination to do that when wood is so quick and easy. And if you are paying yard labor rates, it would be an expensive proposition.
Most folks don't have the time, skill or inclination to do that when wood is so quick and easy. And if you are paying yard labor rates, it would be an expensive proposition.
warthog5
Well-known member
It's Bonded to the hull.
The problem with wood, is if it's not totally sealed ......Well You know.....Wood Rots and it's rotting where there is a hole in the hull.
I've used wood in the past with very specific attention to details , so there is no way water could get to it.
Overboaring holes....filling and then redrilling so the bolts were not touching the wood if the sealent ever leaked.
The problem with wood, is if it's not totally sealed ......Well You know.....Wood Rots and it's rotting where there is a hole in the hull.
I've used wood in the past with very specific attention to details , so there is no way water could get to it.
Overboaring holes....filling and then redrilling so the bolts were not touching the wood if the sealent ever leaked.
