Help with shower temperature adjustment

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khrys

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Hello, I just moved into a new place and the water is hot everywhere except one shower. I identified it as a Moen Posi-Temp(I think... it is a full flow, only twists to control hot/cold, does not pull in/out). I disassembled the faucet head.... but I do not see the regulator I expected to see and adjust. When I remove the decorative (tear drop shaped) cover and handle, and then pull off the sleeve, this is all there is. How/where is the temperature adjustment for this or am I simply mistaken? Thank you so much for any help you can provide.
 

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TJRAD

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from the off position: turning counter clockwise will change temperature from cold to lukewarm to hot. If when doing this and you feel no temperature change then I suspect the cartridge and its built in pressure balance spool is frozen. Replace Cartridge.
Moen posi temp cartridge #1222b

Screenshot 2024-10-23 at 10.35.27 AM.png
 

khrys

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Thank you so much! There is a change, but the water is just not nearly as hot as it is at every other spigot in the house. I will try changing the cartridge. Thank you again! :)
 
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