Leafgreen
New Member
Specs of some tankless heaters show a "Related Gas Pressure" in PSI. Specs of other tankless heaters show a "Related Gas Pressure" in Pa. Can someone explain the difference?
Are you sure that the second isn't kPa (kilopascals)? That is metric form of pressure measurement, I believe.
Any US based plumber working with gas is going to work with inches of water column when it comes to gas pressure.
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