Well then, you must know how to read and follow instructions. They are good
On a bit of a side note, a GB142-30 is almost twice the price of a 140M.
Same efficiency with more BTU's on the 140M.
HomeOwnersHub.com 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.