York S1-363-90117-700 Acorn Nut Kit This 301 Stainless Steel diaphragm

This 301 Stainless Steel diaphragm provides the necessary flexibility and tensile strength required to actuate the pilot mechanism in steam pressure reducing stations

This thermal disc switch is built for durability in high-cycle environments

As a genuine OEM HVAC replacement part

For field technicians servicing light-duty commercial equipment

York S1-363-90117-700 Acorn Nut Kit This 301 Stainless Steel diaphragmThe York S1 363 90117 700 is a direct OEM replacement part engineered for precise fitment in York, Luxaire, and Coleman HVAC systems. This #8 32 acorn nut kit is designed to provide a secure, vibration resistant connection on critical components such as fan motor brackets, control panels, and external casing assemblies. Unlike generic hardware, this HVAC fastener kit meets specific material hardness and corrosion resistance standards necessary for