The Williams P043801 Thermocouple is a mission-critical safety component engineered for Williams Comfort Products vented hearth heaters and furnace systems

This 2-bolt mounting service valve simplifies maintenance procedures by allowing immediate access to the refrigerant system

this HVAC blower assembly component ensures the system meets its original load requirements and airflow ratings

This motor requires a 5 MFD 370-volt run capacitor to operate within factory specifications

Fireye MEP100 Module R-134A The Williams P043801 Thermocouple isThe Fireye MEP100 is an essential MicroM series programmer module designed for precise flame safeguard control in commercial and industrial burner applications. This microprocessor based control provides the necessary timing for automatic burner sequencing, specifically configured for Relite functionality. It monitors flame signal strength and manages the safety interlock circuit to ensure reliable ignition and operation. Integrating the MEP100 into