A low pressure domestic regulator is a type of device used to regulate the flow of gas from a high-pressure source, such as a propane tank or natural gas line, to a lower, more manageable pressure for use in residential applications. It is typically installed near the point of use, such as a gas stove or water heater.

The purpose of the low pressure domestic regulator is to ensure that the gas is delivered to the appliance at a safe and consistent pressure. This helps to prevent over-pressurization of the appliance, which can lead to gas leaks, fires, or explosions.

Most low pressure domestic regulators are designed to operate at a maximum inlet pressure of 10 psi and deliver gas at a maximum outlet pressure of 0.5 psi. They typically feature a diaphragm or piston mechanism that adjusts the flow of gas based on changes in pressure, ensuring a consistent and reliable gas supply.

When choosing a low pressure domestic regulator, it is important to select a model that is appropriate for the type of gas being used and the specific appliance it will be connected to. It is also important to ensure that the regulator is installed correctly and in compliance with all applicable codes and regulations to ensure safe and reliable operation.

Overall, a low pressure domestic regulator is an important safety component for any residential gas system, helping to ensure safe and reliable delivery of gas to appliances.