I just replaced my water heater. Someone tells me I need to add antifreeze into the system (heat exchanger?). Anybody know what I need to do?
The water heater uses the 'freshwater' engine coolant, so if you have anti-freeze in your engine coolant, you're all set. If you don't, you should, even if you're in Miami or San Diego, because anti-freeze is also anti-corrosion.
I followed the system hoses and noted the antifreeze in the radiator heats the water in the water heater. So I added 50/50 antifreeze/water to the radiator (just like Ron said). But how to "burp" the system? I'll look on this web site. Thanks...