Repair kit for the Smith H1710A-540 regulator. Kit includes the Diaphragm (H713-13A), Seat Assemble (12022), O-Ring(4562) and Safety Seat(1222). The parts for this regulator have been obsolete from Smith Equipment for many years. All parts in the repair kit are aftermarket parts, not manufactured by Smith.
(Click image above to view repair kit parts)