gzz554806
Apr 13, 2012, 06:20 PM
Hi, There:
I have an aged gas heating system which recently start too slow, it takes about 2-3 times to start comparing to before and sometime it will have weird sound. Can any one tell me what is happen?
Thanks
I have an aged gas heating system which recently start too slow, it takes about 2-3 times to start comparing to before and sometime it will have weird sound. Can any one tell me what is happen?
Thanks