The Blodgett 4589 Pressure Regulator 3/4" Nat, 3"-6" WC, 1/2 PSI, designed for use with compatible commercial cooking equipment. This natural gas pressure regulator controls and stabilizes incoming gas pressure, adjusting it to a steady 3"–6" water column within a maximum of 1/2 PSI to ensure proper burner performance. Installed in the gas supply line, it automatically modulates press... https://partsfe.com/4589-groen-thermostat-s-516-x-7-12-48