field technicians often trim these stainless steel probe rods to meet specific low-water cut-off elevations prescribed by the boiler manufacturer

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

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

Its compact form factor makes it an ideal HVAC replacement switch for tight enclosures where standard controls might fail due to clearance issues

The system ignites but lacks the microamp feedback signal

Aaon R70240 Limit Switch field technicians often trim theseThe 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