Quote:
Originally Posted by chris7913
I have a suburban water heater in my 320bhs. water system works fine when hot water tank is by passed. after I switch back and fill tank and purge system, I start having my problem. the pump will turn on when I open a faucet and won't stop until I run the hot water side for a good 10 seconds. and when I do air sputters out of the hot faucet. any ideas would be great. thank you.
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1. From what you're saying I have to assume that you are using water from your fresh water tank. Is this correct?
2. If so, is the tank full ? If not fill it before proceeding.
3. You say you purged the system... The correct way to purge the air from the hot water system is to open the faucet closest to the hot water tank before turning on the pump. Then allow the tank to fill completely until only water comes from the faucet. This may take a while but wait it will happen. After that faucet is cleared proceed to the others in the trailer in order of their distance from the water heater, until all are purged... include the outside shower if so equipped.
Do the same for the cold water side...
As a note: the Hot water heater is designed to have an air space at the top of the tank to allow for expansion of the water as it heats. If you have "Purged" the system by opening the temp/pressure relief valve you will need to drain the water from the tank and start over.