Question about Delta T13 series bath tub faucet?

just did a reconstruction in bathroom, use a Delta T13 series bath tub faucet trim. It's like this:


http://www.deltafaucet.com/wps/portal/deltacom/kcxml/04_Sj9SPykssy0xPLMnMz0vM0Y_QjzKLN7SMN_YOBskB2ebxYY76kaiCAfFmTkhivh75uan6Qfre-gH6BbmhEeWOjooAhcuc0w!!/delta/base64xml/L0lDU0lKQ1RPN29na21DU1NTUSEhL29Cb1FBQUlRZ2pGSUFBUWhDRUlRakdFSnpoQkMvNEpGaUNvMGVoMWljb25RVkdoZC1zSWIxVGRoQS83XzE5X0E4Ni8xMDY2L3NhLnNwZl9BY3Rpb25MaXN0ZW5lcg!!?PC_7_19_A86_area=Bath%26amp;PC_7_19_A86_collection=Classic%26amp;PC_7_19_A86_pid=T13420-SHC%26amp;PC_7_19_A86_spf_strutsAction=!2fviewProductDetail.do%26amp;PC_7_19_A86_task=DfcProductDetail%26amp;PC_7_19_A86_function=TubShower%26amp;PC_7_19_A86_group=TubShower#7_19_A86





I am new at this, so I want to know that besides turning the handle to change the water temperature, is there any way to change the water pressure also? Now, seems I cannot change the water pressure, so we wasted water, especially hot water. You know, even you just a bit of hot water, the cold water will have to go maximum.Question about Delta T13 series bath tub faucet?
Yes, this uses a mixed water flow. This also has a scold guard, so make sure it isn't set all the way to cold. grrrr this is a little difficult to explain, Does this have a little red square piece with a screw attached to it just on the inside ot the handle? If so if you turn the screw out this will allow the water to get hotter. Also it might be a good idea to take the mixet off and check to see if anything got stuck in the line, like a piece of solder or a small chunk of wood. I have dealt with this issue quite a bit. But try that and let me know if this helps, if not there might be a few more things i could tell you.Question about Delta T13 series bath tub faucet?
Wonder if it could be a faulty faucet? We have a similar type faucet in one of our bathrooms and who ever installed crossed the water lines or something because the hot and cold seem to be reversed, of course this house was built in 78 and has been remodeled before we bought it and we had to reverse the hot and cold on the lavatories and the kitchen sink! Might contact Delta on line and see if you can get a response from them on what the problem might be...good Luck