this is an open fuse link

the ACH-CP-B is the official replacement for the ACH-CP-H and works on both Carrier-branded ABB ACH550 and ACS320 drives

the unit features molded terminal numbers and a circuit diagram on the top housing

ensuring the hub does not back out during high-torque operation

Can the H19TA-3 be used with Propane

Carrier HH18HA160 Temp Switch 324846-701 this is an open fuseThe Carrier HH18HA160 Temp Switch is a critical OEM limit switch designed for heavy duty thermal protection in commercial and residential HVAC systems. Engineered as a safety limit control, this genuine Carrier replacement part monitors the heat exchanger environment, automatically interrupting the burner circuit if temperatures exceed safe operating parameters. With a precise 160F cut out and a automatic 120F cut in reset, it prevents thermal stress