the switch should be normally closed

As a veteran-grade OEM replacement part

contractors can precisely calibrate gas control assemblies to meet specific system demands

This process significantly reduces stack temperatures and lowers fuel consumption without requiring a full system overhaul

Avoid use with salt water or highly acidic fluids

York S1-029-20422-052 Pilot Orifice the switch should be normallyThe York S1 029 20422 052 is a precision engineered #52 Pilot Orifice designed for integration within gas fired furnace pilot burner assemblies. Featuring an exact . 0635 diameter, this component is critical for metering gas flow to ensure a stable pilot flame, which is necessary for reliable flame rectification and main burner ignition. In the field, technicians encounter these orifices when servicing York, Luxaire, and Coleman equipment where debris