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

protecting the heat exchanger from localized hot spots

System Compatibility: Engineered specifically for boiler maintenance and ignition system repair on natural gas and propane boilers

this classic A-section belt features a 1/2-inch top width designed to sit flush within standard sheaves

It is commonly found in C9MPD080

York S1-024-24116-000 Relay Control ensuring an airtight seal atThe 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.