the 4074EGR is the standard crank arm assembly utilized for the M7415 series

ensuring a secure connection to the control module

this refrigeration pressure switch provides the reliability required in demanding commercial and residential applications

and thermostats without risk of chatter or premature component failure

12" insertion length to monitor internal plenum temperatures effectively

Carrier HH18HV131 Limit Switch the 4074EGR is the standardThe Carrier HH18HV131 Limit Switch is a critical OEM replacement part designed for precise thermal regulation in Carrier, Bryant, and Payne HVAC systems. Engineered as a high limit safety device, this automatic reset switch features a 130 30 degree operating range, meaning it trips at 130F to prevent furnace overheating and automatically resets when temperatures drop by 30F. Reliable thermal protection is essential for preventing damage to the heat