018") rated specifically for Natural Gas applications

How do I confirm if this orifice is for Natural Gas or Propane

The enclosed AC sensor features a compact housing that fits easily in tight junction boxes or motor starter enclosures

an OEM-grade low air pressure switch kit engineered for precise combustion airflow monitoring

High Electrical Capacity: Rated for 26 Amps at 120V and 13 Amps at 240V

Wayne Combustion 63272-005 Air Switch Kit Els PW 17895 018") rated specifically for NaturalThe Wayne Combustion 63272 005 Air Switch Kit is a critical safety and performance component designed for HSG series power gas burners. This kit serves as the direct, factory authorized replacement for obsolete part numbers 62382 02 and 63263 001. As a differential pressure switch, it monitors blower motor performance to ensure the combustion air fan is generating sufficient static pressure before allowing the gas valve to energize. Engineered for