I am looking to install a rain-head and don't want a plumbing set up where I end up with the rain head line full of water when the shower valve is off.
I have always had a shower/tub set up using a Symmons Temptrol valve with a built in diverter.
Can someone tell me how - with the valve off and the diverter set to tub - does the standing water in the shower line drain through the tub spout?
I understand that gravity is the force at work here, but I don't understand how the shower and tub ports are linked with the diverter set to just tub.
Is it something as simple as a check valve in the Temptrol unit?
Also, how is the standing water in the shower line affected by vacuum and how is the vacuum broken when the diverter is set to tub but not while it remains in shower?
Is the shower-draining action of the Temptrol true of all diverter and transfer valves? Does this include digital valves?
Thanks for any info you can give!
I have always had a shower/tub set up using a Symmons Temptrol valve with a built in diverter.
Can someone tell me how - with the valve off and the diverter set to tub - does the standing water in the shower line drain through the tub spout?
I understand that gravity is the force at work here, but I don't understand how the shower and tub ports are linked with the diverter set to just tub.
Is it something as simple as a check valve in the Temptrol unit?
Also, how is the standing water in the shower line affected by vacuum and how is the vacuum broken when the diverter is set to tub but not while it remains in shower?
Is the shower-draining action of the Temptrol true of all diverter and transfer valves? Does this include digital valves?
Thanks for any info you can give!
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