Carrier HH12ZB190 Limit Switch When troubleshooting a pilot that

When troubleshooting a pilot that won't stay lit despite a clean orifice

How do I properly reset this manual reset limit switch after it has tripped

It maintains the same physical footprint and electrical tolerances required for older valve assemblies

How do I know if this is the correct part for my ICP furnace

Optimized Flow Control: Specifically calibrated for a CV of 25 to maintain equal percentage throttle response

Carrier HH12ZB190 Limit Switch When troubleshooting a pilot thatThe Carrier HH12ZB190 Limit Switch is a critical OEM safety component engineered for HVAC high limit protection in gas furnaces and packaged units. As an automatic reset limit switch, this part is designed to open the electrical circuit when internal plenum temperatures reach 190F (cut out) and automatically close once the temperature drops to 150F (cut in). This Normally Closed (NC) switch features a 3 inch insertion length, ensuring accurate sensing