This MARS 780 series component is a direct replacement for many OEM parts

making it a standard choice for maintaining 5-ton evaporators in commercial and industrial settings

What motor shaft size does this fan blade require

this probe can be utilized in various pneumatic setups requiring a 1/8" NPT or barbed fitting interface for remote sensing

The 3/8" x 1/2" flare connection eliminates the need for brazing

Carrier CESO110031-00 Logic Board 320819-301 This MARS 780 series componentThe Carrier CESO110031 00 Logic Board is a critical direct replacement control module designed for precise sequencing and diagnostic monitoring in specific Carrier, Bryant, and Day & Night HVAC units. This OEM integrated furnace control functions as the primary logic hub, managing the ignition cycle, blower motor timing, and safety circuit verification. As a drop in replacement for the CES0110031 00, this board ensures electrical continuity and