Zwave with freeze protection

Hello -

I have an intermatic pf1102t for my pool control. It has the freeze protection module and the mechanical timer ‘wheel’ in the same box. I’d like to replace the scheduling on/off functions with the intermatic ca3750 unit to control with Vera. I’ve a little searching on this topic, but I haven’t come across anyone that has done it…and posted it. I’m not sure if I can just disable the mechanical timer in the 1102t unit and just wire the ca3750 along with it for the freeze protection, or if I can move the 3750 module into the 1102t unit somehow?

Anyone have any ideas or been researching this that is farther than me?

Thanks for your help