[EricH]

Originally Posted by Kat Kononov

Just to clarify, when it says

Does "relay module" mean the Spike relay? And if so, then it is ok to connect two solenoid valves to one Spike, right?

Originally Posted by EricRobodox

Why not plumb two actuators to the same solenoid if they need to go off at the same time?

I was wrong about what the rule said...

The Spike relay is the only allowed relay module. Therefore, two would be legal.
But Eric's solution would be more elegant. One solenoid, a tee shortly afterwards, and then the tubing to the actuator.