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Warm Air Limit Controls

Warm Air Limit Controls

Warm Air Limit Controls With Manual Reset Are Used For High Temperature Cut-Out Applications.

Warm Air Limit Controls lock out on a temperature increase to the control set point. Manual reset is required before the electrical contacts can be reclosed, so the trip-free reset lever does not permit restarting until the reset lever is manually released. The A25 is normally located in a return air duct and is wired to shut down air conditioning or ventilating fans when the temperature of the air becomes excessively hot. Rod and tube type sensing element provides positive control action. Range adjusters operate with either a knob or a screwdriver slot, and are available with SPST or SPDT switch action.