repair a burst line in a modine (hot water, 200*) hanging heater

My modine froze and cracked two tubes leading to out and in How the heck do I find the 180* return bends to repair it? I kinda beat one up on the way out and the other may go too!
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.