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Orion · 11-06-2006, 08:49 PM

Don't forget the shower valves (including activating the tub diverter if there is one, to get the shower valve to siphon out).

Also, newer toilet valves are anti-siphon so you need to open the top of the toilet valve (inside the tank) to allow air in and water to drain out of the toilet valve. Usually just four phillips-head screws and lift off.

The two above items were the only casualties I've had in the past 5 years.....learning from experience.

11-06-2006, 08:49 PM	#7
Orion Senior Member Join Date: Feb 2003 Location: Cow Island Posts: 914 Thanks: 602 Thanked 193 Times in 91 Posts	a few more steps Don't forget the shower valves (including activating the tub diverter if there is one, to get the shower valve to siphon out). Also, newer toilet valves are anti-siphon so you need to open the top of the toilet valve (inside the tank) to allow air in and water to drain out of the toilet valve. Usually just four phillips-head screws and lift off. The two above items were the only casualties I've had in the past 5 years.....learning from experience.