Sprinkler riser extension kit with internal pressure regulator

A sprinkler riser extension kit for raising a sprinkler head of an existing sprinkler assembly that is operational without the kit, the sprinkler riser extension kit comprising:

• a gripping head having an upper end connected to a lower end by a hollow channel, wherein the gripping head has means for attachment over an outer surface of a cap of the existing sprinkler assembly;
• and
• a riser stem extension that encloses an internal pressure regulator assembly and is slidable through the hollow channel, the riser stem extension having a top end with a first attachment means, a bottom end opposite the top end, and a removable cap engaged to the bottom end, the removable cap having a second attachment means, wherein the first attachment means is configured to attach the top end to a head of the existing sprinkler assembly and wherein the second attachment means is configured for attachment to a riser of the existing sprinkler assembly from which the head has been detached;
• the internal pressure regulator abutting the removable cap within the riser stem extension and having an inlet opening proximate the bottom end and in fluid communication through an internal channel with an outlet opening proximate the top end.