Type: Posts; User: petroman
45deg solid being used on high pressure burners: 140PSI or more.
I personally prefer F heads, they more flexible to chamber size.
Experienced service tech will always point you to problems, which you as homeowner may overlook. I work for big oil company, and do a lot of “tune ups“on oil boilers, as well some on gas boilers....
If you need good advice on flashlights, you must visit this forum.
You will find info on lights from $10 to more then $1000 cost.
I know that crazy....