OATEY 8478 Dearborn® 1-1/2" 45 Degree Slip Joint Elbow, Chrome - 20 Ga.

Nothing extra to order. The Dearborn 8478 ships with 2 zinc slip joint nuts and 2 rubber washers, one set for each end, so it makes up both joints out of the box.

Yes. It's a 1-1/2 inch slip joint fitting on both ends, so it slides over standard 1-1/2 inch tubular trap arm or tailpiece tube and seals with the supplied rubber washers and nuts. No threading, soldering or glue involved, and the tube can be cut to length and adjusted before you tighten.

No. The 8478 is built for 1-1/2 inch tubular only. On a 1-1/4 inch lavatory waste, common on older bathroom sinks, you need the 1-1/4 inch version of the fitting, or a reducing adapter, or the nut and washer will not seal on the smaller tube.

The 8478 is 20 gauge brass with a chrome finish, which is the common tubular drain weight for residential and light commercial lavatory and sink waste. For high-abuse or institutional openings where the trap gets bumped or vandalized, buyers usually step up to 17 gauge brass tubular parts instead. If your spec sheet calls out 17 ga, the 8478 will not meet it.

No sealant needed. The 8478 seals on the rubber washers included with it, compressed by the zinc slip joint nuts. Adding tape or dope to a slip joint just gets in the way of the washer seating. Hand tighten plus a light turn is normally enough on chrome tubular brass.

Yes, it's chrome plated brass, the standard exposed-trap finish, so it blends with chrome tubular traps, tailpieces and supply stops on an open lavatory installation. For fleet work across a building it keeps replacement parts looking consistent.

Order it as Dearborn 8478. That's the manufacturer part number for the 1-1/2 inch, 20 gauge, chrome plated brass 45 degree slip joint elbow with nuts and washers.

It lists at 0.41 lb, light enough to stock in quantity on a service truck or in an MRO bin without a weight concern.