How to Test a Zone Valve

How can You Check to See if a Zone Valve is WorkingBy Mark J. DonovanQuestion: My hot water heating system does not seem to be operating properly. One of the zones does not seem to produce any heat. How can I test a zone valve to see if it is working properly?Answer: To test your hot water zone valve, turn the thermostat up that is associated with the particular zone valve. Make sure to turn it