Marvair 70281 Control Board 320788-704 tamper-resistant solution for commercial and

tamper-resistant solution for commercial and industrial environments where setpoint visibility or manual adjustment is restricted to authorized personnel

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

the NBR seals are rated for air and water

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

What causes this ignitor sensor to fail prematurely

Marvair 70281 Control Board 320788-704 tamper-resistant solution for commercial andThe 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