Kent, it came from HERE:
<font color="blue"> save your money and just install galv pipe coming up with a faucet on the end: it will freeze, but it will not burst, unless you try to cover it up to protect it: do this on the ones your definetly not going to use when the temp is below freezing, and save youself a lot of money and future work...repairing messed up yard hydrants...been there.. heehaw </font>
<font color="blue"> save your money and just install galv pipe coming up with a faucet on the end: it will freeze, but it will not burst, unless you try to cover it up to protect it: do this on the ones your definetly not going to use when the temp is below freezing, and save youself a lot of money and future work...repairing messed up yard hydrants...been there.. heehaw </font>