what is house propane regulated at
There are 27.7 inches of water column (wc) pressure in 1 PSI of pressure. So 7wc is about 1/4 PSI. This is the normal pressure that household natural gas is delivered. The normal delivery on propane (LP), for household use is 11wc or a little more than 1/3 PSI. Both of these pressures are the result of the regulators on the gas line. In the case of natural gas, the meter acts as a measure of volume (so you can get a bill) and as a regulator.