The Carrier HH680354 Limit Switch is a critical safety component designed for high-temperature monitoring in Carrier

the actuator will remain in its last commanded position (fail-in-place) until power is restored and a signal is received from the controller

Does this kit include a potential relay

As a 200F high limit control

replacing the complete three-piece assembly (both flanges and the sleeve) ensures that worn set-screw holes or flange burrs do not lead to a repeat failure

Midco International 523450 Flame Rod Assembly R-22 The Carrier HH680354 Limit SwitchThe Midco International 523450 Type 33 Flame Rod Assembly is a precision engineered OEM burner flame sensor designed for high performance flame rectification in industrial and commercial heating systems. As a veteran technician knows, maintaining signal strength is critical for preventing nuisance lockouts; this Type 33 flame rod provides the necessary sensitivity to detect the flame ionization current accurately. Built to withstand the high