ensuring a leak-free fit with existing burner tubes and fittings

it is a certified replacement for part numbers AS-61702-04 and AS-61997-02

this kit ensures the atmospheric reference and vent sensing remain optimized for consistent burner performance

This unit provides a 1-1/8 inch stroke and operates within a 4-8 PSI spring range

York S1-024-36277-000 Relay 321894-709 ensuring a leak-free fit withThe York S1 024 36277 000 is an OEM sequencer relay engineered for precise timing in residential and light commercial HVAC heating circuits. This critical component manages the staged activation of heating elements to prevent excessive inrush current and potential electrical system overload. Built with a high reliability bimetallic strip, the relay responds to thermal changes to ensure seamless contact opening and closing, maintaining consistent