Not enough hot water , must have a water balancing adjustment. HOW DO I get to it

that is the way they are made. they are pressure balanced to reduce the risk of scallding.
however there is an adjustment that will allow a little more hot water. if you remove the handle, there is a small plastic disk, remove that, under that you will see a small ring with what looks like gear splines... pull out slightly and turn counter clockwise a few notches. reinstall the plastic disk and test.

if you don't get enough hot water, adjust again. only adjust a couple of notches at a time. you don't want to scald yourself in the shower.

that pump is likely to be a hot water return pump not a booster pump. it sound like a large property so its likely the hot water system requires balancing to get the hot water to the extreme areas. If all the hot outlets have some form of isolation valve try closing all but the affected areas and see if hot water comes out. If so only open the closed outlets enough to give you reasonable flow. This hopefully will force the hot water to the affected areas.

Remove the handle by loosening the screw near the bottom. You should see a plastic ring, probably green, that is the hot water safety. Adjust it so that the handle will turn further for more hot water. It most likely pulls out, then turn it left, reinsert and reattach the handle.

Anti Scald Valves have an adjustment under the handle (remove handle) to allow so much hot water in no matter how far handle is turned. Its possible that the adjustment is set to allow only hot water in, this of course defeats the purpose of anti-scalding. Check to see if you can adjust this back. Good Luck have a Great Day. Please give a 4 THUMBS UP if this free answer was of any help.

there is an adjustable stop screw to adjust how far handle turns this prevents scalding.

you need to have both done before any judgement is made, the balancing spool could be off centre because of only one water being hooked up. good luck

pegasus is a home depot product u need to adjust ur anti scald setting the valve is shipped in cold position it should have a red and blue plastic clips that go over the grooved thing call pegasus customer service at 1888 328-2383 they should be able to assist u with ur problem if u need parts or how to adjust the anti scald system

Hello, first if any water supply hot or cold is turned off, you will experience trickling as you mention. You must have both cold and hot in order to adjust the temperature on your valve. if you had a plumber intall this unit you should ask him to adjust it. Otherwise here is how:
Rotate the handle counterclockwise to stop and let water run till cold water is purged, check
temperature. Rotate handle to off, remove handle parts (see Disassembly in your manual) and temperature limit stop, rotate clockwise to decrease and counterclockwise to increase maximum hot water temperature, reinstall temperature limit stop and handle (TIP: Do not screw handle in until desired maximum temperature is achieved) Repeat steps until desired maximum
temperature is achieved

The screws remove the handle. After the handle is removed their are little plastic like gears to limit th ehot watr. Relocate the gear ring for more hot water.

check for sediment in your valve body... sometimes sediment can build up particularly in hot water pipes and that can cause the pressure balancing function of the valve to limit total hot water and therefore you cant get it hot enough... here is a link to what I think is the proper valve and the instructions for installing it... you'll want to follow the instructions for flushing and pressure testing... if you have good pressure at the thermo body then you might try adjusting the hot limit stop also covered in the document linked below...

http://www.hansgrohe-usa.com/JP/hrgh0264.pdf

Hope theat helps...