Joshua - pay more attention in class... I found this without too much effort...
"I presume that you are wanting to check the cold water only. By that the the incoming supply and pressure.
Connect a water pressure gauge to the cold supply, this is usually done by disconnecting the cold washing machine or dishwater supply under the sink and connecting the gauge onto the washing machine valve. Turn on the sink cold tap and read the gauge, it must be at least one and a half bar and preferably at least three bar. Place a weir overflow cup under the running cold tap, and read the water level at its weir you need at least 20litres/minute, preferably more than 25litres/min,
Source(s):
plumbing lecturer"
Good luck with your course - a thankyou would be neat.
Peccavi, November 2009
