Old style Martec PVC cowl vent
New Stainless Steel cowl vent
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The original cowl vents on the two dorade boxes that were supplied by Sabre Yachts were made of PVC and came from Martec. After approximately 20 years of exposure to UV and all the other nasties in our atmosphere they had become quite ugly not to mention very sticky and discolored. After a couple of online searches I found some very nice stainless steel replacements from marinemailorder.com. They came with deck plates and deckplate key. I placed an order for two of them and they arrived in just a few days.
Old style Martec PVC cowl vent
New Stainless Steel cowl vent
I first removed the screws from the old deck plate rings and then pried them off the top of the dorades using a putty knife.
After cleaning up the surface of the dorades I filled the original screw holes with epoxy.
Once the epoxy had cured I drilled the holes for the new screws and bedded the trim rings with silicone.
Materials required for this upgrade:
1. 2 each 3 inch Stainless Steel Cowl Vents $99.00 each from marinemailorder.com
2. West Epoxy to fill old screw holes $0.00 (On hand)
3. Silicone caulk to bed new deck plate rings $0.00 (On hand)
4. 12 each oval phillips head stainless steel #6 x 1/2 in. self tapping screws $0.72 from Ace Hardware
Total cost of upgrade: $198.72
Total time required: 1.5 man hours
Tools required for this upgrade:
1. 3/8" variable speed reversible drill\
2. Drill bit assortment
3. Putty knife
4. #2 Phillips screwdriver
New SS cowl vents installed
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