What does the 12A09 vent limiter do

The MARS 12166 is manufactured to a +/- 6% tolerance

this component typically features the integrated tube-mount clip designed for standard 3/8-inch or 1/2-inch copper liquid lines found on Goodman coils

The normally closed 30 Amp contacts and instant restart capability ensure the system is ready for the next cycle without the cooling delays associated with standard thermal components

leak-free grip on either polyethylene or polyurethane tubing

Trane IGN0033 Electrode Ignitor Els PW 17895 What does the 12A09 ventAs a field tested Trane IGN0033 Electrode Ignitor, this genuine OEM component is engineered specifically for high efficiency gas fired HVAC systems, including Trane and American Standard furnaces and rooftop units. Performance wise, the IGN0033 is a direct replacement for the now legacy IGN00033 and IGN00135 part numbers, ensuring a perfect drop in fit without needing to modify the burner assembly. This unit features a robust spark electrode design