the internal bimetal disc has failed and requires replacement

Specifically calibrated to 275 degrees F for high-tolerance flame rollout protection

What are the symptoms of a failed isolator

allowing for installation in any orientation on the liquid line

Reznor 84853 Burner Orifice the internal bimetal disc hasFor veteran technicians servicing industrial heating systems, the Reznor 84853 Burner Orifice is a critical precision engineered component for maintaining stoichiometric combustion. This #47 brass burner orifice is specifically machined to meet rigid OEM tolerances for Reznor unit heaters and gas fired equipment. Constructed from high grade, corrosion resistant brass, this spud style orifice ensures a stable gas flow rate, which is essential for