Hi, Linda 67!
Thank you for your question, and I am sorry to hear that you are experiencing an issue with your Delta tub spout assembly. We recommend not to remove the plastic piece in the tub spout assembly. If this is an issue, you may have a defective one, and we ask that you replace the tub spout assembly with a new one. For warranty inquiries, please contact our Delta Customer Service line at (800)345-3358. We are available Monday-Friday, 7am-7pm, CST and Saturday, 8am-5pm, CST. You may also email at firstname.lastname@example.org.
Date published: 2018-03-27