Replacing Duckbill Valves + Vacuflush System Overview, Sea Ray Boat

A complete look at how to replace duckbill valves on a Vacuflush toilet system. Plus, an overview of how the Vacuflush Toilet system works.
Links to products I used on this project from Amazon. * Disclosure: As an Amazon Associate I earn from qualifying purchases.
- Dometic Black 1-1/2" Duck Ball Valve Kit; amzn.to/3Snm3mh
- Grab-A-Rag Washable Microfibre Rags: amzn.to/46H6Bp2
- SuperClean Cleaner Degreaser - 32 oz. Trigger Spray Bottle: amzn.to/3QwVCZM
For a look at all of the projects I've done (continue to do) on this beautiful Sea Ray Sundancer, as well as on our previous boats, have a look at nearly 100 projects in my 'How I Did It - Boat Repairs And Upgrades' playlist, here; • How I Did It - Boat Re...
Be sure to check out our 'Summer Cruise 2022' series, as we cruised for 5-1/2 weeks through much of Ontario, Canada's lovely 240 mile/386 km Trent Severn Waterway and even reaching the Rideau Canal for a few days! Full playlist can be found here; • Summer 2022 Cruise
I hope you'll also follow along with my Blog (boatingwithboo...) for lots more boating content from our past 25 years of loving this incredible boating lifestyle!
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Filmed September, 2023.
Boat Specs;
- Model: 1998 Sea Ray 370 Sundancer
- Length (bow to transom): 37-6", LOA (with factory swim platform): 40'-1"
- Beam: 12'-7"
- Engines: 2 x 7.4 litre (454 Cubic Inch) Mercruiser Bluewater, Multi-Port fuel injection, gasoline,
raw water cooled, rated at 310 HP
- Transmissions: 2 x Borg Warner Velvet Drives, in Vee-Drive configuration
- Performance: Average cruising speed 22MPH on plane @ 3,200 RPM
- Dry Weight: 17,000 lbs
- Fully Loaded Weight: Boat + Fuel (1,664) + Water (580) + Gear (1,250 +/-) = 20,500 LBS
- Fuel Capacity: 275 U.S. gallons ~ 1,040 litres * Usable Capacity 261 US Gallons ~ 989 litres
- Freshwater Holding Tank Capacity: 70 US Gallons ~ 58.3 Imperial Gallons ~ 265 litres
- Poop Holding Tank Capacity: 40 US Gallons ~ 33.3 Imperial Gallons ~ 151 litres
- Draft: 32”
- Dead Rise: 20 degrees
- Generator: Westerbeke 7.2 Kw BCGTC @ 60 Hz, gasoline powered & carburated, 3,600 RPM continuous engine speed
- Dual reverse cycle heating/air conditioning units, 19,000 (total) BTU (12 + 7)