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BeanAnimal · 02/16/2018, 09:13 AM

Technically speaking, the siphon standpipe is the only one that needs a valve. That said, I like having the versatility of valves on all three standpipes. That valve on the siphon standpipe can be down at sump level.

02/16/2018, 09:13 AM	#9606
BeanAnimal Registered Member Join Date: Feb 2003 Location: Pittsburgh Posts: 20,772	Technically speaking, the siphon standpipe is the only one that needs a valve. That said, I like having the versatility of valves on all three standpipes. That valve on the siphon standpipe can be down at sump level.