The heating units are at least thirty years old,
Besides the deteriorating appearance of the heating units is there any
reason
to swap them out for new units? Are new units more efficient?

Mike

"Edwin Pawlowski" wrote in message
...

"bro" wrote in message
news:KcZEd.1992$SS6.1835@trnddc07...
What's the difference between water filled or oil filled?
Why is oil desirable?



Water boils at 212. Oil can go to 360+