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Category Model Model Year Author Date Posted
Head MacGregor 26X 2001 bobflshmn 2017-10-29
MSD Portable Toilet
toilet connections
Finished installation
Exterior finish
I replaced the factory toilet with the Thetford Porta Potti 550P MSD Portable Toilet from Amazon. Came complete with hold down kit and MSD fittings. Note: Purchase this carefully as the one which comes with the MSD kit is not designed to be manually dumped. Check for open box items, saved $60.
I used 5/8 in and 1 1/2 hoses from West Marine rated for sewer. I purchased the 5/8 in vent with screen, and waste deck hardware both from Amazon as well. The claps used to hold the hose to the bulkhead are 1 1/2 inch PVC conduit two hole straps, Home Depot, and flexable fitting connecting the hose to the toilet is a 1 1/2 inch sink drain tube with compression fitting.

Edit: I have now used this setup. I am pleased so say it worked without any issues. I was concerned about the ribbing in the flexible connection, but it rinsed cleanly.
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