Bard HVAC 8402-146 Limit Switch R-22 maintaining the exact static pressure

maintaining the exact static pressure required for safe heat exchanger performance

Common Questions Is this stem compatible with Series 8905 diverting valves

This kit serves as the direct OEM replacement valve for legacy part numbers 998-0510-40 and 998-0510-44

Smith water heater repair and maintenance

Bard HVAC 8402-146 Limit Switch R-22 maintaining the exact static pressureThe Bard HVAC 8402 146 Primary Limit Switch is a critical high temperature thermal safety control designed specifically for Bard wall mount units and forced air systems. As an OEM L185 30 limit switch, this component is calibrated to open the electrical circuit if the internal plenum temperature reaches 185F, protecting the heat exchanger and blower motor from catastrophic thermal damage. The switch features an automatic reset mechanism that closes