depot pull
Pay in 4 interest-free payments of $28.78 Learn more
Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
the 93973 natural gas orifice is likely restricted by debris or carbon buildup
such as near a drafty entrance or in direct sunlight
high-temperature resistant materials
Its precision thermal sensing ensures consistent performance and system safety in demanding industrial and commercial heating applications
Techs should verify that the 11J11R03149-001 part number matches exactly to maintain the original design specifications and response times required by the system's safety agency listings
Sterling HVAC 11J11R03149-001 Limit Switch Els PW 17895 the 93973 natural gas orificeThe Sterling HVAC 11J11R03149 001 is a precision engineered automatic reset limit switch designed for critical thermal protection in Sterling gas unit heaters and air handling systems. Featuring a calibrated operating range of 150 190F, this high limit safety control ensures the system stays within safe thermal parameters by breaking the electrical circuit if the discharge air or heat exchanger temperature exceeds 190F. Once the surface temperature