Using the specific Field Controls 46273100 ensures the fixed set point matches the appliance’s original safety certification

Precise Modulation: Enables exact discharge air temperature control within the 40-80°F range for direct fired equipment

Precise Pressure Regulation: Maintains stable manifold pressure for optimal combustion efficiency and thermal transfer

Eliminates persistent standing pilot failures

This high-limit safety control is a direct drop-in replacement for failed or drifting thermal switches in residential and light commercial HVAC equipment

Lennox 53H18 Run Capacitor 319825-402 Using the specific Field ControlsThe Lennox 53H18 is a high performance 45 MFD 440VAC round run capacitor, engineered for continuous duty in residential and light commercial HVAC systems. As a veteran technician knows, maintaining the correct capacitance is critical for motor longevity and power factor correction. This genuine OEM component is a direct replacement for Lennox 53H1801 and 53H1801PR, ensuring seamless HVAC motor capacitor replacement without the need for field