9004718115 | Kit Hi Limit | AO SMITH

AO SMITH Kit Hi Limit: The MPK-9004718115 Kit Hi Limit is a replacement part for AO SMITH water heaters. This kit is designed to replace the high limit switch in an AO SMITH water heater. The high limit switch is a safety device that helps to prevent the water heater from overheating. The kit includes a new high limit switch, a mounting bracket, and a set of instructions.