MirXR2x_KIT with one of the relays damaged

I have MirXR2x_KIT that was installed about 4 months ago. Over the weekend the facility it was installed at had a lightning storm and the power supply was damaged to one of the relay boards and I think it also got the relay board because after we got 12VDC power back on the board it would not link up to the other relay. Can I buy another relay board that will communicate with the one good onw I have or do I need to but another kit? Also, Will a PAC2412003P AC/DC Power Converter 24V AC Input to 12V DC Output at 3 Amps Wire to 2.1mm Male be OK to power the new relay?