Lennox 99K70 Pump Cartridge

The Lennox 99K70 Pump Cartridge is a critical OEM replacement part engineered for high-performance fluid circulation in specific residential and commercial HVAC units. Designed to meet direct factory specifications, this cartridge ensures the hydraulic integrity of your circulator pump, preventing common mechanical failures that lead to system downtime. Whether you are performing a routine overhaul or responding to a total pump failure, the 99K70 offers a precision fit to restore factory-rated flow rates and pressure head requirements. It serves as the direct replacement for the obsolete or superseded Lennox 99K7001 model.

For contractors in the field, this lubricated cartridge assembly simplifies the maintenance process by allowing for a rapid swap-out of the internal rotating components without requiring a full breakdown of the pump housing. Its construction focuses on thermal stability and cavitation resistance, making it suitable for demanding hydronic heating and cooling applications. By maintaining the 99K70 pump cartridge, you preserve the efficiency of the refrigerant circulation and fluid movement needed for optimal heat exchange in Lennox HVAC systems.

• Direct OEM Compatibility: Engineered as a drop-in replacement for the Lennox 99K7001, ensuring zero-clearance issues during installation.
• Enhanced Flow Dynamics: Restores the original pump performance required for consistent fluid distribution across the evaporator or condenser coils.
• Heavy-Duty Construction: Built to withstand the rigorous cycling and pressure variables inherent in modern HVAC systems.
• Streamlined Installation: The cartridge-style design eliminates the need for complex internal alignments, reducing labor time on the job site.

What was the original part number for this cartridge?
The Lennox 99K70 is the current manufacturer-sanctioned replacement for the older 99K7001 part number.

Which Lennox units is this pump cartridge compatible with?
This cartridge is specifically utilized in various Lennox hydronic and circulator pump assemblies; always verify the part numbering on the existing pump housing before replacement.

Does this assembly include the motor?
This is a pump cartridge assembly focusing on the fluid movement components; technicians should inspect the drive motor separately if diagnosing a complete circulation failure.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.