Description

ProductDescriptionThe 57T01-843 Time Delay Relay is for Use in Air Handlers Installed in Compressor-Run Air Conditioning and Heat Pump Systems to Delay the Blower Shut-Off After the Compressor has Shut Off.Replaces Trane Part Numbers D155079P01 and RLY 2807, RLY02807, RLY02257.Features:Allows residual cooled air to be blown into the controlled space, increasing the efficiency of the system in cooling.Depending on electrical hookup in a heat pump system, delay of blower shut-off could also occur in heating.