The ASCO 304-089 Rebuild Kit is a comprehensive maintenance solution engineered specifically for ASCO 8344 4-way solenoid valves

Which furnace models support the 1016411 kit

The LH680517 is primary for modern hot surface and direct spark applications

reducing the need for additional field-sourced components

vibration-resistant fit within the combustion chamber

Lennox 12L09 Flame Sensor 321894-708 The ASCO 304-089 Rebuild KitThe Lennox 12L09 Flame Sensor is a critical genuine OEM replacement part engineered for precise flame rectification in Lennox residential furnaces and heating units. This HVAC flame sensor functions as a safety probe, generating a microamp signal to the integrated furnace control board to verify successful ignition of the burner assembly. If the sensor detects a loss of flame, it triggers a system lockout to prevent hazardous gas accumulation. Built