Marvair 70281 Control Board 320788-704 the capillary tube is a

the capillary tube is a sealed system containing a thermal sensing fluid

Integrated Fan Selection: Built-in three-position selector switch (Auto-Off-Fan) eliminates the need for external subbases or additional wiring during HVAC installation

ensuring seamless integration into existing on/off damper control systems without extensive mounting modifications

this motor provides the consistent torque required for demanding condenser fan motor replacement tasks in commercial and high-spec residential HVAC assemblies

Marvair 70281 Control Board 320788-704 the capillary tube is aThe Marvair 70281 Control Board is a specialized 24 volt OEM electronic module engineered for Marvair ComPac, Slimpac, and Minipac vertical wall mounted air conditioning systems. As a direct replacement for LPR AJ1710 1 and LPR AJ1710 2, this board manages critical system logic, including compressor sequencing, blower relay timing, and integrated safety circuits. It is designed to handle the high internal heat gains typical of telecommunication