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I got a new gas stove. I will use an LPG tank as the source for gas. The stove's user manual specifies to use gas at a pressure of 37mbar, and that "the company isn't responsible for any difference in performance or any risk if it is used at a different value". It also warns not to use it at a pressure greater than 45mbar in any circumstance and that a pressure regulator should be used in that case. I can't find any gas regulators that output a 37mbar pressure. Is it ok if I use it with 28mbar, 29mbar or 30mbar for example? These are the only ones I could find in my country. Are there any risks to do so?

  • 37 mbar is about 15 inches of water column (14.9 inH2O) and about 0.54 psi. In the US the standard natural gas regulators on residential gas meters regulate the pressure to 7 inches of water column (17 mbar or 0.25 psi). You could try to get the closest one to 37 mbar and try it. Could you contact the mfgr? – Jim Stewart Sep 7 at 0:06
  • Wow that is high pressure, on this side of the pond we limit the pressure to less than 2-3 psi inside a structure for commercial and less than 1 psi for residential. Here I have installed units that can use both gasses but a difference orifice on the output of the regulator was required larger for lpg than natural gas but other than that the burners were the same never that high of a pressure even in a 500k Btu flash furnace did not exceede these pressures. – Ed Beal Sep 7 at 4:14
  • @Ed Beal I don't understand your characterization of this as high pressure based on your statement that in the US we limit the indoor pressure to less than 1 psi. Unless I have made a mistake in conversion 37 mbar is 0.54 psi. This is about twice what we normally use inside residences in the US, but is much less than 1 psi. – Jim Stewart Sep 7 at 12:25
  • I think I made a mistake. Commercial systems I have worked on were under 3 psi and up to 3/4 psi in residential so we agree on that. – Ed Beal Sep 7 at 21:41
  • My concern isn't whether or not it would work, but wether or not there would be any risk to use a different pressure. – Fayçal Salhi Sep 7 at 22:59
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Is your gas stove set up for using LPG? If it was used in a home with "Natural Gas" piped in, that is very different from LPG and requires different burners, orifices etc. They are not interchangeable.

  • Yes it is. It says so in the manual. – Fayçal Salhi Sep 6 at 23:15
  • A orifice change may be all that is needed. I have done this on my own home for ovens and bbq’s. From memory a larger size is needed for lpg compared to natural gas. – Ed Beal Sep 7 at 4:16

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