What kind of connect do I need for the in and out? A 1/2 to? Do you guys have it available?

Hi there, It's 3/4" thread but it also depends on what you are installing. There is fittings to reduce it to 1/2" if needed. Please reach out so we can connect you with a product specialist that would guide you in the right direction: You can give us a call at 862-220-3875, email: hello@xeroproducts.com or use the live chat feature on our website!