What is the first step to take if gas pressure at the manifold is too high?

Adjusting the pressure regulator counterclockwise is the appropriate first step to take if the gas pressure at the manifold is too high. The pressure regulator is designed to maintain the correct gas pressure by controlling the flow from the gas supply line to the manifold. By turning the regulator counterclockwise, one can reduce the gas pressure being supplied to the appliance, thus bringing it into the acceptable range.

If the gas pressure remains elevated after this initial adjustment, further actions may be considered, such as checking for blockages to ensure that the system is functioning properly or replacing the regulator if it is faulty. However, directly adjusting the regulator should always be the first course of action, as it allows for immediate correction of pressure issues without the need for additional tools or part replacements.