it must be replaced to prevent safety hazards

For installations utilizing individual conductors rather than pre-terminated whips

The JB Industries U1-6D is a high-performance half union flare adapter designed for professional HVACR applications

this component allows for secure torque and leak-free installation on the burner manifold

all of which lead to high ambient temperatures around the burner assembly

York S1-9951-1361 Orifice it must be replaced toThe York S1 9951 1361 is a precision engineered natural gas orifice designed for specific York furnace burner assemblies. This component features a drill size 29 specification, which translates to a precise . 136 orifice diameter. When diagnosing combustion issues or performing a gas valve manifold service, ensuring the correct flow rate is critical for thermal efficiency and flame stability. This OEM York replacement part provides exact tolerances