Reusing a gasket can lead to uneven sealing and bypass leaks

This nut secures the valve seat ring to the body or cage

ensuring an airtight seal at the observation port is non-negotiable for system performance and meeting localized code requirements for indoor air quality

It is commonly found in C9MPD080

By allowing the ECO switch to break the thermocouple signal during over-temperature conditions

York S1-024-24116-000 Relay Control Reusing a gasket can leadThe York S1 024 24116 000 Relay Control is a standard duty Single Pole Double Throw (SPDT) switching solution designed for 24V HVAC control circuits. This OEM replacement component is critical for managing fan motor speeds, sequencer activation, and heat pump reversing valve logic in York, Luxaire, and Coleman residential systems. The relay features a 24VAC coil and robust silver cadmium oxide contacts to prevent pitting during high frequency cycling.