Sensus-Gas Division 143-16-023-04 3/8" Orifice For 243

The Sensus-Gas Division 143-16-023-04 3/8" Orifice is a precision gas element designed to be used in HVAC systems, in this case, with Sensus Model 243 gas valves. It controls the rate of gas passing through the valve by giving it a calibrated restriction that corresponds to the amount of fuel needed to burn appropriately. This part is installed between the gas supply and the burner assembly to ensure that there is the right amount of pressure and volume of gas to achieve stable ignition and quality the flame.