Recent content by sirpatrickdikat

  1. S

    Hayward H400 IF codes!! HELP!

    Re: H400 natural gas heater that was throwing the IF code Engineering101 - I just wanted to send a very big THANK YOU!!! I did what you described, and sure enough, there was a web in the left-most orifice. I used a pipe cleaner on clean of them out. Put it back together and the heater lit...