Honeywell, Inc. ST74A1053 ST74 Defrost Controllers

SKU: ST74A1053
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• Reset the defrost cycle by remote contact closure.
• Mounts in outdoor section of heat pump.
• Test pins speed up defrost cycle for easy operational checkout.
• Reliable relay switch output.
• Moisture-protective board coating.Defrost Controller, Selectable 50/70/90 minute Time Off, 10 minute Time On

OverviewLow voltage time/temperature defrost controller for heat pumps.
Time OffSelectable: 50/70/90 min.
Time On10 min. (factory-set)
Increased Time OffNone
Operating Temperature Range (F)-40 F to +158 F
Operating Temperature Range (C)-40 C to +70 C
Electrical Connections1/4 in. quick-connect male terminals
Approvals, Underwriters Laboratories IncRecognized: Report SA481
Approvals, Canadian Standards AssociationCertified: Report LR1620-661
Tradeline ValueTradeline
List Price81.6

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ST74A1053 ST74 Defrost Controllers Honeywell, Inc. Call for Pricing 0    View More Info

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