The 160/204 setpoints are fixed to ensure the system adheres to strict safety protocols

and inert gas safety shut-off systems

a full replacement is required to maintain safety standards

including the UDX75

Neoprene (JN/JNS)

Carrier HH19ZA174 Limit Switch R-22 The 160/204 setpoints are fixedThe Carrier HH19ZA174 is a technical grade L170 40F limit switch designed for critical thermal regulation within HVAC furnaces and industrial automation systems. This SPDT contact configuration switch acts as a vital safety interlock, featuring an actuation range of 170F (Open) to 40F (Close) to prevent equipment overheating and ensure system integrity. Built with a rugged die cast aluminum housing and an IP65 enclosure rating, it is engineered to