The forged brass body is capable of handling up to 5

the HPO-5114 diaphragm ensures consistent stroke performance and reliable seal integrity

it must be replaced to prevent safety hazards

though ensure the damper motor is de-energized before adjusting the damper door spring tension

York S1-9951-1361 Orifice The forged brass body isThe 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