Carrier HH680618 Safety Switch 320788-703 the included 4-inch jumper wire

the included 4-inch jumper wire is typically discarded when installing on heat pump systems

and WB-23815 for various Reznor heating systems

Is the 32GB500432E compatible with older Bryant systems

Engineered for surface mounting

Carrier HH680618 Safety Switch 320788-703 the included 4-inch jumper wireWhen you're dealing with a system shutdown related to flue gas backup or excessive heat in the blower housing, the Carrier HH680618 230F M R Vent Safety Switch is the specific high limit control required for a proper repair. This secondary limit switch is engineered to interrupt the 24V control circuit if vent temperatures hit the 230 degree Fahrenheit threshold, protecting the heat exchanger and surrounding components from thermal damage. As a manual