Procedure for changing BOTH LP tanks.
1. Verify both tanks are empty
2. Fill both tanks
3. Re install both tanks
4. Go eat lunch
5. Light the stove eyes, try the water heater, fridge and furnace.
Why go eat lunch?
Because the regulator has a leak detect function. If all the lines are empty then it assumes there is a leak and will not turn on the gas. By allowing it to sit undisturbed for awhile, it slowly fills the lines and when it decides there are no leaks it will function normally.
Don't know how exactly the regulator works, but every time I have filled both tanks I have to let it sit for about 30 minutes before the gas will flow normally.
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2008 (or is it 2009?) Rockwood 8280SS - 2007 F-150
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