Technicians should look for visible cracks in the cells

this 120Z0165 unit supports a total volume capacity of 3

It is designed for standard high-pressure refrigerants compatible with its 235 PSI rating

airtight seal for the vacuum sensor and pressure switch hoses

Lennox 99K29 Relay L99H008 Technicians should look for visibleThe Lennox 99K29 Blower Overload Relay 20 32A is a critical industrial grade bi metallic thermal overload relay designed primarily for 3 phase blower motor protection in high capacity HVAC systems. This OEM Lennox 99K29 replacement part (also identified as 99K2901) provides precise amperage management within a 20 32A range, effectively shielding motors from phase failure and sustained overcurrent conditions. Engineered for durability, it features