steam generators

As a normally closed (NC) disc-style limit switch

000 AFC protection and 1/4-inch male quick-connect terminals

Designed for contractors

When servicing specialized boiler sight glass assemblies

Bard 8402-047 Limit Switch steam generatorsThe Bard 8402 047 Limit Switch is a critical safety component designed for precise thermal regulation within Bard wall mount HVAC units and furnaces. This 110 180F auto reset limit switch functions as a primary high limit safety, monitoring discharge air temperatures to prevent heat exchanger damage or hazardous overheating conditions. Engineered for rapid response, the SPST (Single Pole Single Throw) internal contacts are calibrated to open at 180F