update!
The saga for a pool continues.

Where to start? OH yeah, the heater. We fired up the heater. All 300k BTU's of it and it ran for ten mins and then shut off. It shut off everything. the display, the propane. Just dead!. Had the electrician come check it out. Still getting power so he dont know whats wrong. Called the plumber and he is not sure. Then it fired back up for five mins and shut down again. HMMMM.
Call Hayward tech support and they say sounds like a propane problem.

Ok Ill check into that. Start following the lines back and I find that the line is ice could at the tank. HMMM! this cant be right. Called the plumber and he says check your manual for a two stage high pressure propane system. Ah HA! there is the problem.

Seems the propane company ( who has installed pool heaters before) dropped a 3/8 inch line from the first regulator to the second. It should have been a 1/2 inch line. Call the propane company and of course the installer is on vacation. talk to the general manager and he does not even know how to install the lines. I'm telling you guys. This general manger is one heck of a winner. Im pretty sure his family tree dont branch. I got so fed up talking to him that i decided to unleash the bulldog on him. Oh thats right! He will regret this! I'm having the little lady call today! he is the walking dead right now and doesnt even know it!

Update later after the brawl