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Elizabeth, CO

RV Sewer Hose Fittings for Easy Repairs

Dial in your setup with fittings that match your system and goals. Use 3" pieces for main lines, or adapt 1-1/2" gray water to 3/4" hose thread when you want a smaller drain line. Link hoses with clamp-on couplers when you can't go bayonet-to-bayonet. Keep all parts the same brand so bolt holes and seals line up, and a little grease on the seals can help tame a small drip.
It's best to match the manufacturer for flanges, valves, and seals. Bolt-hole alignment and seal styles can differ and mixing can keep parts from lining up. Measure the bolt spacing; some use mounting holes 3-3/4 inches apart on center. If holes or alignment pins don't match, choose fittings from the same system.