York S1-025-30801-000 Flame Sensor

Description

York OEM Flame Sensor — S1-025-30801-000

The York S1-025-30801-000 is a genuine OEM replacement flame sensor designed to deliver accurate and dependable flame detection in York furnaces and heating systems. As a critical safety component, the flame sensor monitors the presence of a burner flame and signals the control board to allow continued gas valve operation — shutting down the system immediately if no flame is detected, preventing dangerous gas buildup.

Why Replace Your Flame Sensor?

A worn or contaminated flame sensor is one of the most common causes of furnace short-cycling, nuisance lockouts, and no-heat service calls. Using a genuine York OEM replacement ensures proper fit, function, and compatibility with your equipment — eliminating the guesswork of aftermarket alternatives and restoring reliable system performance.

Key Features

• Genuine York OEM replacement part — SKU S1-025-30801-000
• Designed for direct, drop-in replacement in compatible York heating systems
• Ensures accurate flame signal to the furnace control board
• Helps prevent nuisance lockouts and short-cycling caused by a faulty sensor
• Critical safety component — shuts down gas flow when no flame is detected
• Maintains system efficiency and protects heat exchanger integrity

Application

This flame sensor is intended for use in compatible York furnaces and heating appliances. Always verify compatibility with your specific model number before installation. Refer to the equipment’s service manual for proper installation procedures and torque specifications.

Installation Note

For best results, inspect the flame sensor rod for oxidation or carbon buildup during routine maintenance. Clean or replace as needed to maintain a strong microamp signal and prevent unnecessary service calls.