[FrankJ]

2013 KOP vavles (first choice) are by definition legal.

We have used these in the past. It uses one coil per valve so you can put 8 a breakout. You will have to do the load calc to be sure you can power 8

"46A series MAC valves The part number we use is 46A-AA1-JDA0-1JM which gets you a 4 port single solenoid spring return valve. 1/8 ports .3 Cv. Part number changes with options, that one is just what out local distributor We have not had a failure with them"