the 85H75 is the designated replacement for several older Lennox part numbers

Why is my blower fan running constantly or not at all

this unit serves as the direct replacement for CRDS16

High Thermal Resistance: Capable of handling the cycling temperatures typical of commercial hydronic HVAC systems without degrading

Enhanced Durability: Features a stainless steel power element for increased resistance to corrosion and mechanical fatigue

Carrier L3-02206-1 Pre-Filter 322027-701 the 85H75 is the designatedThe Carrier L3 02206 1 Pre Filter is a critical OEM replacement part designed for high performance HVAC air filtration. This aluminum mesh filter measures approximately 28 1 4" x 18 1 4" x 3 8" and serves as the primary barrier against heavy particulate matter. As a veteran technician knows, the L3 02206 1 is engineered to protect sensitive downstream components and high efficiency secondary filters from premature loading. By capturing large diameter