I have a Delta T13090 tub shower set. When I turn on the water and turn it to wards the hot the faucet and the shower head come on. Even if the faucet pull-up diverter is down the shower head still comes on.
The only possible explaination is that the water is finding it easier to go up than down. Water is lazy, just like me. ;)
Use an allen key to remove the tub spout. It's underneath and awkward. Once the allen key is loose, the spout just slides off. Try running the water. This may solve your problem and all you'll need is a new tub spout. If not.....
Turn the water off to the house.
Use an allen key to remove the handle.
Use a phillips to remove the trim plate (2 screws). Cut the silicone around the trim if it's there (which, in a proper installation it shouldn't be, but...)
Unscrew the nut (usually chrome) holding the cartridge into the brass body of the valve. The cartridge pulls straight out. Check for restriction in the ports of the cartridge itself. Check for restriction in the line going down to the tub spout. If you can't find anything, replace the cartridge.
Reassemble & Enjoy!
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Is the diverter on the spout itself? I ask this because you say "pull up". If it is, you need a new spout with a diverter. The spout can be unscrewed, usually by hand. Good luck, and please clarify if the diverter is actually on the spout. Thanks
Delta Single Handle Monitor Shower Valve Shower Only Trim Only Less Shower Head with Pressure Balance Cartridge and Handle. Model:T13090 ... Which rooms are you working on? Close. Bathroom ... Shower Faucet. Handle Material. Metal ... Thank you for taking the time to provide us with feedback sr-sun rise shower system review
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