Robust Construction: Utilizes a 1/2-inch single-side flat shaft (3-inch length) and a rugged frame for stable

Industrial Build Quality: Features a 1/16 HP rating and CCWLE rotation designed for the rigorous duty cycles of vent blower assemblies

This main outdoor control PCB is manufactured with heavy-duty circuitry designed to withstand the thermal stressors and environmental demands common in high-tonnage applications

maintaining the pressure switch circuit and preventing ignition failure

preventing motor lag and protecting the integrated control board from high-amperage spikes

Tecumseh AJ4YR1DF643J70 Compressor 320788-703 Robust Construction: Utilizes a 1/2-inchThe Tecumseh AJ4YR1DF643J70 is a high performance hermetic reciprocating compressor engineered for medium to high back pressure (MBP HBP) applications. Operating at 208 230V, 1 phase power, this unit delivers a rated capacity of 12636 BTU hr using R134a refrigerant. As the professional grade direct replacement for the AJA4512YXD, it ensures seamless compatibility for field repairs in commercial refrigeration systems. Built with the robust AJ2 series