Plumber Sets up this clear tube demonstration quickly onsite to show apprentice and You what Inches of Water Column means for gas pressures. Gas appliances do not need much gas pressure. Infact most home gas appliances like Water Heaters, Furnaces and Cooking Stoves operate on less then 1 Pound Per Square Inch ( PSI ). These appliances require between 6 - 11 inches of Water Column of gas pressure to operate correctly. 28" WC is equivalent to 1 PSI.
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9 ноя 2023
