Things You'll Need
Installing a Delta tub spout is a straightforward process as is the case with most tub spouts. Delta manufactures spouts for almost any type of installation. Delta also has an attachment that will allow a spout to thread onto either a short or long pipe, depending upon your bathroom plumbing setup. This attachment will thread into your spout if necessary to accommodate rear-mounting situations.
Slide the new Delta slip-on spout over the plumbing pipe coming from the wall.
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Push the spout against the wall and hold the spout steady with one hand.
Insert the securing set screw into the bottom of the spout and tighten the set screw with an Allen wrench.
Look at your wall pipe and determine whether you need to add the rear-mount attachment to the Delta bathtub spout. The spout is designed for the plumbing pipe to attach to the front.
Insert the end without the threads into the spout, if you have a rear-mount installation. The attachment will thread into the spout hand tight. There is an o-ring on the end that goes into the spout to prevent water leaks.
Wrap the end of your plumbing pipe with plumber's tape. Thread the Delta tub spout to the pipe in a clockwise direction until the spout is hand tight.
Place a cloth over the spout and turn the spout another half-turn with a pipe wrench. The cloth will protect the finish of your new Delta spout.