this York S1-031-01278-000 is designed to interface with modern control logic

The Bard 8201-032BX Relay is an authentic OEM 24v SPDT relay designed specifically for heavy-duty HVAC sequencing and control circuits

High Thermal Resistance: Engineered to maintain a leak-proof seal under extreme operating temperatures and fluctuating water chemistry

If the venting is clear and the inducer is pulling the rated vacuum

Copeland 998-0510-98 Valve Kit Els PW 17895 this York S1-031-01278-000 is designedThe Copeland 998 0510 98 Valve Kit is a critical HVACR service component designed for professional isolation and system maintenance. Featuring a 1 2" Sweat (ODF) connection and a standard 1 14 UNC thread size, this Rotalock valve kit provides a robust transition point for high pressure refrigeration circuits. As a technician grade refrigeration service valve, it is engineered to facilitate easy compressor swap outs and system evacuations without