Warm Air Limit

A25

A25 warm air control is typically located in a return air duct and wired to shut down air conditioning or ventilating fans when air temperature rises to the control setpoint. Reset manually before electrical contacts can be reclosed.

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A28AK

A28AK two-stage temperature control features a special air coil sensing element and adjustable mounting flange. Use these duct thermostats with all types of rooftop units, make-up heaters, duct heaters, and air handling systems.

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