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  Topic Review (Newest First)
07-08-2010 07:11 AM
MJBrown The model I installed on the last boat had a white ring that attached to the hatch with silicone sealent. The main body of the unit would lift out albiet with a bit of wiggling and pulling.
07-07-2010 11:46 PM
sailingdog Some of the Nicro vents used a bronze deck ring and screwed into the ring. These came with a bronze deck plate that allowed you to seal the hole if the boat was going offshore. These vents were pretty expensive and not too common.

The rest of the Nicro vents used a deck fitting that looked like a piece of PVC pipe, and just snapped into place. There were no screws holding them in....just a ridge in their collar that fit into a groove on the deck ring. If you pull on these or push on them from the inside, they should just pop out.
07-07-2010 04:21 PM
argofred Thanks chef but where are the screws?? (see image) Removed trim ring from inside... no screws that I can see top or bottom. Thanks!
07-07-2010 03:34 PM
chef2sail My old Nicro was an outside pvc pipe with flange fastened and epoxied to the deck going through the deck hole. The vent fit insideand slid into the pipe with attachments at the top. Your old Nicro vent should unscrew and slide out of the deck pipe and you should be able to replace it with the newer 3" or 4" model depending on what you hole diameter is without redoing the outside thru deck pipe. I did this project with a new Nicro solar day/ night this year.

07-07-2010 03:06 PM
argofred Thanks OF. Now what do you mean by "slip in" to the hole? Interference (press) fit? Pry off?? Thanks!
07-07-2010 02:44 PM

It should just slip into the hole in your deck.
07-07-2010 01:43 PM
older Nicro solar vent mounting question

All: I am trying to figure out how my old (10-15 years +) 4" nicro solar vent is mounted. Nicro website did not help. Would it more likely be a threaded ring that the vent is on? It's old but works fine. Just want to rebed. Thanks!

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