this part protects the furnace or air handler from internal corrosion and helps prevent the growth of biological contaminants that often cause "dirty sock" odors in residential and commercial ductwork

s service kit

and CGi series gas-fired boilers

it provides the reliability needed to prevent equipment failure and maintain peak efficiency

Aaon R70240 Limit Switch this part protects the furnaceThe Aaon R70240 is a critical OEM limit switch designed for precision temperature monitoring in high performance HVAC systems. This auto limit switch functions as a primary safety control, featuring a specific 95 105F temperature range to prevent heat exchanger or coil overheating. Engineered for reliability in demanding commercial environments, the Aaon R70240 utilizes an automatic reset mechanismidentified as 105 EXP . 75 ALSensuring the circuit