cracks in the ceramic insulator or severe oxidation on the rod require a full replacement to ensure consistent signal strength and system safety

Key Benefits Specifically calibrated for stainless steel trim valves with 3/8" stems to prevent premature wear

contractors can access advanced diagnostic alert codes

System Reliability: Ensures the pressure switch closes consistently by maintaining a steady vacuum

Carrier LH680003 Pilot Assembly 320788-704 cracks in the ceramic insulatorThe Carrier LH680003 Pilot Assembly is a critical OEM replacement component designed for high reliability intermittent pilot ignition in specific Carrier, Bryant, and Payne gas fired furnaces and water heaters. As a veteran grade three wire pilot assembly, this unit integrates both the ignition source and the flame sensing mechanism required to prove the pilot flame before the main burner gas valve is authorized to open. In these legacy systems, the