How can I put this delicately? I can't, so here it is: servicing millivolt pool heaters stinks!
Here's your manual: http://www.hayward-pool.com/pdf/manuals/Manual285.pdf
And here are two posts on the problems:
http://www.poolforum.com/pf2/showthread.php?4839
http://www.poolforum.com/pf2/showthread.php?12250
Good luck!
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