95" WC rating can result in the furnace failing to ignite or operating in an unsafe condition

How do I troubleshoot a 6" vent damper that won’t open

Key Benefits Optimized Modulation: Enables the control module to calculate the precise boiler reset curve for maximum efficiency

The rugged construction is rated for 100

Look for any visible hairline fractures

Lennox 61M03 Collar Assembly 30067439-890 95" WC rating can resultThe Lennox 61M03 Collar Assembly is a genuine OEM HVAC replacement part designed for high performance sealing and structural integrity within heating and cooling systems. Built to Lennox LB 96383A specifications, this discharge collar assembly is frequently utilized in furnace ventilation and air handling configurations to ensure a pressurized, leak free connection between the unit and ductwork. This HVAC collar kit is critical for maintaining optimal