Hello Disappointed,
Thank you for your review on the Delta Linden Monitor® 17 Series Shower Trim with In2ition. Any feedback that we receive helps us to create better products and is greatly appreciated.
I am very sorry to hear that you are experiencing issues with the hand held shower not remaining within the shower head mount whenever bumped, and I apologize for any inconveniences this may have caused.
To properly connect the hand wand to the shower head you will need to push the handshower into the shower head, then pull down on the hand shower until locked with the shower head. If the shower head moves when removing the hand shower, hand tighten the connection between the shower head and the shower arm. To remove it you will need to pull outward towards you and then pull straight down.
I hope this information helps. If you feel that your product is not performing as designed, have any questions, concerns, or require anything further please feel free to give us a call on our warranty line at 800-345-3358 and we will be happy to assist you in any way that we can.
Thank you again!
Matthew
Delta Faucet Company
Consumer Care