and draining of hydronic heating loops

Is this board a direct drop-in replacement

Replacement is necessary if you observe a bulging top

Is the TEC3622-14-000 compatible with my existing N2 network

0 to 150 Degree Operating Temperature

York S1-2702-316P/A Limit Switch 340793-762 and draining of hydronic heatingThe York S1 2702 316P A Limit Switch is a critical safety component engineered for precise thermal regulation within York and Johnson Controls HVAC systems. This HVAC high limit switch functions as a primary safety cut out, monitoring heat exchanger temperatures to prevent overheating conditions that can lead to equipment failure or hazardous operation. As a direct replacement for S1 2702 3161 A, as well as the S1 2702 316P and S1 2702 316PA models,