this OEM kit is the standard for maintaining system reliability and preventing catastrophic dry-fire conditions in commercial boilers

leak-resistant connection to the evaporator coil

What causes a blower key to fail

the 950-0344-03 ensures exact mechanical alignment and electrical compatibility with existing Copeland-configured systems

Consult the high-altitude derate tables in the furnace service manual to confirm if a #33 size meets the required BTU compensation for your specific elevation

Lennox 11W97 Service Valve R-410A this OEM kit is theThe Lennox 11W97 Service Valve is a critical liquid line service valve designed for precision refrigerant management in residential and light commercial HVAC units. Engineered as a genuine Lennox OEM replacement part, this bar stock service valve features a front and back seating design, allowing technicians to isolate the system charge or access the refrigerant service port without total recovery of the system. This 3 8 inch valve ensures smooth flow