Propane issues
Ok, here is the deal. We are hooked to a 100lb propane tank. When the tank gets down to around 30%, the indicator on my regulator shows red. Supply is switched to the 100lb tank feed. I try to ligh...
Forum Discussion
mkirsch wrote:dougrainer wrote:mkirsch wrote:
When you disconnect the tank to refill it, you introduce air into the system.
How is air introduced to the system???????? Doug
PS, You do NOT!
Um, yes, you do.
When you disconnect the line from the valve on the tank, there is that little open hole there. Propane puffs out, replaced by a slug of air. When you connect the line back to the filled tank, you trap that slug of air in the line.
Happens to me every time I change tanks. There's always a bit of air to purge which causes a brief lapse in flame quality.
It's not rocket science.
Get real, That small insignificant "puff" of air is not worth mentioning. No purge needed. The only purge is to fill the empty line of the LP that bled out, but that little amount of "air" is in the low pressure system of the RV. After 36 years of working on RV's and LP systems, trust what I am telling you. It is the actual fact:B. There is a check valve on that pigtail that connects to the tank valve. Doug
