So, you need a new heater. The cost of the system itself seems like enough to you, and you don’t want to pay for installation. After all, you’re a proud do-it-yourselfer. Or perhaps you know someone who does general maintenance work and is willing to give heater installation a try.
Don’t do it! This is a job for highly-trained, experienced professionals with access to a very specific set of tools. And if you’re still considering it, read on to find out exactly why you should never attempt amateur heater installation.