Universal Compatibility: Includes hardware for surface or bracket mounting to replace various OEM limit controls

ensuring zero-clearance issues during field installation

Can this valve be used in both heating and cooling stages

Critical Diagnostics: Integrated digital display provides real-time feedback on system status and temperature set points

preventing potential damage by ensuring proper pressure conditions are met before allowing the system to operate

Lennox 39H98 Relay 318518-761 Universal Compatibility: Includes hardware forThe Lennox 39H98 Relay is an essential primary control component designed for reliable low voltage switching in residential and light commercial HVAC equipment. This DPDT 24V Relay (Double Pole Double Throw) features a 24VAC coil, making it a versatile drop in replacement for managing blower motors, fan cycles, and auxiliary heat circuits. Engineered for HVAC control circuit repair, the 39H98 manages power distribution across two separate circuits