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Product specifications and system requirements
SpecificationWhite-Rodgers 1F56N-444 Mechanical Thermostat
BrandWhite-Rodgers
Model1F56N-444
SKU908020
Component roleStandalone
LifecycleLegacy
Building systemsNot specified
RequiresNot specified
Contact ratings24 VAC nominal, 30 VAC maximum; heating 0.15–1.2 A; cooling 0–1.5 A
Dual transformer supportYes, documented two-transformer wiring
Fan modesAuto; On
Heating and cooling stagesSingle-stage heat/cool; heat pump without auxiliary or emergency heat
Millivolt supportYes, with anticipator set to the millivolt link
MountingHorizontal wall mounting
Operating humidity0–90% RH, non-condensing
SchedulingNon-programmable
Setpoint range50–90 °F
System modesHeat; Off; Cool