Hey guys, I need some help here. I have a shower with a Moen Posi Temp valve. Its installed in a bathtub/shower combo. Lets say for this example I have the handle directly pointed up...right in between hot and cold. If I let the water run out of the faucet, its a nice warm temp with no issues. I can adjust it colder or hotter and the water temp responds as it should. If I pull the diverter and make the water run out the shower head, it gets full hot without moving the handle at all. If I move the handle to colder, there is no response. There also seems to be a change in the sound of the water rushing through the valve. If I push the diverter back down and let it come out of the faucet again, without touching the handle it goes back to being a nice warm temp like it should. When it goes back to warm, I can hear a change in the tone of the water going through the valve again. I figured it was just a faulty cartridge, so I purchased a brand new cartridge and popped it in. No change.
Any ideas? Thanks in advance!