Carrier 50HJ400345 Plug 318172-701 With a 1" NPT connection

With a 1" NPT connection and 1" equalizing lines

this dual-stage redundant control manages natural gas flow with a standard capacity of 150

Fast Thermal Response: The probe material is optimized for rapid heat transfer

or hardening due to heat exposure within the mechanical room

installing this genuine OEM HVAC part ensures the unit meets its original factory specifications for static pressure and emissions control

Carrier 50HJ400345 Plug 318172-701 With a 1" NPT connectionThe Carrier 50HJ400345 Economizer Bypass Plug is a critical genuine OEM component designed for field technicians and commercial contractors managing Carrier, Bryant, and Payne rooftop units (RTUs). This factory authorized part is engineered to interface directly with the units control logic, effectively jumping the economizer circuit to enable standard mechanical cooling. Whether you are performing system commissioning, troubleshooting a faulty