If burner is not firing and control panel shows error 7 then I suggest you contact Houston control or it'll never get off the ground.
bob
November 2011
The internet is a wonderfull thing it works on information in equalls info out, as you have failed to give the basic info like Make/Model etc How do expect to get an answer out???
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix plumbing.