Bard S8402-028 Limit Control Clogged or damaged orifices can

Clogged or damaged orifices can cause uneven heating or burner failure

this component ensures a gas-tight interface between the burner and the air manifold

making it a go-to component for contractors managing 24V control circuits

it maintains performance under standard thermal cycling found in condenser linkage applications

but the unit must never be left in operation without a functional limit switch in the safety circuit

Bard S8402-028 Limit Control Clogged or damaged orifices canThe Bard S8402 028 Limit Control is a critical OEM safety component engineered for Bard wall mount HVAC units and similar industrial climate control systems. This high limit switch is designed to protect the heat exchanger and internal components from thermal damage by monitoring air temperatures within the plenum. Operating with a 150F open and 125F close configuration, it ensures the burner or heating elements are de energized if the system exceeds