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the 5-1/2 inch band is the standard sizing for most 48-frame direct drive blower motors used in residential furnaces and air handlers
By monitoring evaporator pressure and temperature
making it a reliable choice for commercial HVAC mixing and diverting applications
Professional installation in series with existing limit and operating controls is required to maintain system integrity and CSD-1 code compliance
74 Cv flow coefficient ensures sufficient volume for large heating units
Lennox 28W59 Control Box 326010-701 the 5-1/2 inch band isThe Lennox 28W59 Control Box (LB 108340) is an essential OEM replacement part engineered to house and protect the delicate electrical architecture of select Lennox furnaces and air handlers. For technicians dealing with corroded enclosures or a compromised HVAC control module, this factory spec metal housing provides the necessary environmental shielding and precise mounting points for internal circuit boards. Maintaining the integrity of the Lennox