I have a model similar to Model TL 180 series – I couldn’t find a model # anywhere on the part, but it looks similar to the diagram in the instructions for the Model TL 180. It's about 1.5 years old, purchased at Home Depot.

I have taken the shut off valve completely apart; I have flushed the system, still not enough hot water through the shower. I have plenty of hot water from the bathroom, sink faucet. Also, I have plenty of water pressure coming out of the shower faucet head.

The instruction Manuel notes that a part D (part # 96933 7 on my model) can be set at 3 o’clock to minimize hot water and 12o o’clock for maximum hot water. I set it at max, however, still, only get luke warm water.

I tried setting it at 11 o’ckock, but the knob pieces won’t fit.

Is there another way to set the part? Do I need a replacement part?

Please advise?