Where is the water coming from, where are you measuring the pressure, how are you measuring it, and in what units are you expressing the measurement of "1/2"?
water comes from a a well, measuring at the sink next to the dishwasher, by half I meant that the dishwasher manual says 1/2 gallon in 14 seconds, I get 1/4 gallon in that time
In any case, is the reduced pressure/flow causing a problem? For example, does the dishwasher fail to work properly?
If you need more pressure then it's temping to install a pump, but this might cause a problem because pumping water faster than the source can provide it will encourage the ingress of debris into the supply.
If you need to find a tradesperson to get your job done, please try our local search below,
or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Please select a service and enter a location to continue...
Are you a trade or supplier? You can create your listing free at DIYnot Local