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Maximum length of 1/4" AL pilot light tubing??
I relocated the tap for the gas line for a pilot burner on a power burner. It is only about 30" longer but it seems the pressure drop is too much??
This has been a nuisance lockout on pilot failure for years. Finally watching the start up the FS dropped the pilot valve out when the main valve opened, I thought I caught the reason, I assumed due to gas pressure drop.
The pilot tap was after the MV regulator........it seemed like a simple head slap...duh. The very simple gas train showed the pilot connected ahead of the MV reg. This is one of those things that has been there +20 years. Again assuming that it was correct because that is the way it was
installed years ago.
Thinking I had the sure remedy I lengthen the tubing to a tap right on the gas supply ahead of that reg. Now seldom lights. Situation worse. There might be 6-7' of tubing from main line to pilot reg which is right as the sol valve for the burner.
Have I exceeded the limitations of 1/4"