Yeah, I know. I looked there first and thought maybe some other mfg might have such an item. I have an application that could benefit from such a valve.
It looks like Compool used to make a Y-Valve, but it is no longer available.
Pentair acquired Compool.
The above diagram shows early Y-valve shipments used with the Compool LX22 solar control.
It had a reversible plug which is no longer used.
The LX220 replaced the reversible plug with a three position switch on the rear of the Valve Operator (VOR).
If the valve is installed backwards [reverse staged], simply change the switch position to cause the valve to rotate in the opposite direction.
The 2 inch Y-valve is no longer available as an option.
Current SolarAttic Solar Pool Heater shipments are shipped with a 2 inch T valve.
Its output ports are 90 degrees from the input port [forming a T] as shipped and can be adjusted so that any of the three ports can function as an input port by staging the valve differently.
SolarAttic solar pool heater shipments in the late 1980s and early 1990s shipped with Compool LX22 solar control which used a Y-Valve. This page illustrates the Y-Valve
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