Williams P043800 Pilot Generator

Pilot Generator

Williams P043800 Pilot Generator – OEM Furnace Thermocouple

The Williams P043800 Pilot Generator is a genuine OEM replacement thermocouple designed for Williams Comfort Products Monterey Top Vent Furnaces. This essential component is part of the furnace control assembly and plays a critical role in monitoring the pilot flame and regulating gas flow for safe, reliable operation. Engineered specifically for 250 and 350 Series Monterey Top Vent Furnace models, the P043800 ensures proper system performance when paired with the correct gas-type pilot assembly.

Key Features

• OEM Quality: Genuine Williams Comfort Products replacement part

• Precise Compatibility: Designed exclusively for Monterey Top Vent Furnaces

• Safe Operation: Monitors pilot flame and helps control gas flow

• Durable Construction: Made from high-grade thermocouple materials for long-term reliability

Compatibility

• Furnace Models:

  • Williams Monterey Top Vent Furnaces

  • 250 Series

  • 350 Series

Gas Type & Required Pilot Assembly

• Liquid Propane (LP): Pilot Assembly P323073

• Natural Gas (NG): Pilot Assembly P323074

(Correct pilot assembly must be matched to gas type for proper operation.)

Technical Specifications

• Part Number: P043800

• Component Type: Pilot Generator / Thermocouple

• Material: High-grade thermocouple construction

• Length: Standard length for Monterey Top Vent Furnace applications

• Connection: Compatible with Williams furnace control assemblies

Installation Notes

• This listing includes thermocouple only; pilot assembly is sold separately

• Professional installation by a qualified technician is recommended to ensure safety and maintain warranty compliance

Replace with confidence using the Williams P043800 Pilot Generator—an OEM solution engineered to restore safe and efficient performance to your Williams Monterey Top Vent Furnace.