It appears the zener is not in the taped mounting sequence. It has the 1n4007 first, then the 12V0 zener is missing, then the 18 resistors start, at the end appears to be rouge diode C12PH.
Is the C12PH the zener I need for the kit? 
Yes.
It appears the zener is not in the taped mounting sequence. It has the 1n4007 first, then the 12V0 zener is missing, then the 18 resistors start, at the end appears to be rouge diode C12PH.
Is the C12PH the zener I need for the kit?
Yes.