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I have a raypak model wh3-0724, 726,000 btu hr input.I've…

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I have a raypak model...
I have a raypak model wh3-0724, 726,000 btu hr input.I've changed the pilot assemble and flame sensor, ignition wire, switched control board and modules, but every know and then I still have to go and manually reset it cuz it won't fire. Then it takes right off and cycles till the next time it goes out. Any ideas.
Submitted: 2 years ago.Category: HVAC
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2/20/2016
HVAC Technician: HVAC Guru, HVAC TECH replied 2 years ago
HVAC Guru
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