And many have / will become cracked and start leaking.
The By Pass ( 1010 ) is obsolete, and no longer available from any known source ( has not been for several years ).
Repair Option:
Remove By Pass, and then you can screw the Adapter Nuts directly to the Threads on the Valve Body.
You will find / see these threads on the actual Valve Body, once you remove the defective By Pass.
You can continue to use your Technetic control head, only now without having the manufacturer's By Pass valve.
