SpudMuffin

I know these are 2 unrelated things, but I walked into our spa room to find it had lost about 25% of it water... Yes, we now have a crawl space pond... I pulled the front off to find water leaking out of the bottom of the control module... Upon inspection I see that the heater connections are leaking. So, I am upgrading to a 5.5k pass through from the old 4k. Last m0onth the pump started squealing, I am good with tools... What do I probably need to replace? Pump style