Heater Firing Control

[Abu najad]

Which is the more accurate,not hunting and good for turning to control the firing on heater and why?
1.connecting temperature controller with fuel gas controller.
2.connecting temperature controller with low selector.

 

[crshears]

It depends . . .

What type of fuel?

What type of "heater"?

What is being heated?

What type of burner?

What type of process?

What type of duty cycle?

It depends . . . and more information => better answers.

CR

"As iron sharpens iron, so one person sharpens another." [Proverbs 27:17, NIV]