‘Cold Water’

My water cooler isn’t working! Is it broken permantley?

Monday, March 16th, 2009
hot water system
Hot Water System FAQ:


I have one of those drinking systems that has 2 spouts for hot and cold water. Its one of those that sits on the ground and you can refill them by putting new jugs on top. Anyways, its too old to be exchanged at the store and besides that it, its from a yard sale. Is there a way to fix it?
It is not making the water cold or hot. Its like, the water is just sitting there.

Attention Plumbers: What is the best way to remove an air lock from plumbing lines. Hot and cold water?

Wednesday, January 7th, 2009
hot water system
Hot Water System FAQ:


I am getting only drips of water coming out of both sinks. Only fixtures affected in the house is both bathroom sink faucets. Everything else works fine and faucets worked fine, until I had to shut water down to fix frozen, broken pipes. ??? I have been told my problem is a air lock in the system.

calculate the required flow rates of hot and cold water, constant density and heat capacity?

Sunday, December 7th, 2008
hot water system
Hot Water System FAQ:


An engineer decides to install a shower control system. The design calls for a system that can deliver 3 gpm of water at 110 deg F by mixing hot water at 170 deg F, with colder water at 80 deg F. Flow and temperature transmitters are available along with control valves for adjusting the hot and cold water flow rates.