White-Rodgers · Standalone
White-Rodgers 1F56N-444 Mechanical Thermostat
Horizontal snap-action thermostat for single-stage heating and cooling, including documented millivolt and hydronic applications.
Legacy model
Will this work with my system?
Match your equipment to these requirements before ordering.
Works with
- Single-stage gas, oil or electric conventional heating/cooling
- Single-stage heat pumps without auxiliary/emergency heat
- Millivolt heating and two- or three-wire hydronic zone systems
System requirements
- NEC Class II control wiring; do not connect line-voltage heating circuits.
- Match the adjustable heat anticipator to the heating control’s current rating; millivolt operation uses the dedicated link.
Limitations & exclusions
- Heat pumps with auxiliary/emergency heat
- Multistage heating or cooling
- 120/240 V line-voltage electric baseboard systems
Check before you buy
- Compare the installed equipment voltage, stage count and terminal functions with the installation manual before selecting this model.
- Compare the heating control’s current rating with the 0.15–1.2 A anticipator range.
Manufacturer documentation (1)
Use these documents to compare your exact model and configuration.
Overview
Horizontal snap-action thermostat for single-stage heating and cooling, including documented millivolt and hydronic applications.
Mechanical temperature selection is paired with system and fan switches. The adjustable heat anticipator must match the heating control. The manual includes separate diagrams for one- and two-transformer systems, heat pumps without auxiliary heat, and three-wire zone valves.
Selection and installation
Use the linked manufacturer documents to compare the exact model, equipment configuration and installation requirements before ordering.
Product details
- Manufacturer
- Copeland Comfort Control
- SKU
- 908020
- Model / MPN
- 1F56N-444
- Condition
- New
- Lifecycle
- Legacy
Specifications
- Stage modes
- Single-stage heat/cool; heat pump without auxiliary or emergency heat
- Scheduling modes
- Non-programmable
- Contact ratings
- 24 VAC nominal, 30 VAC maximum; heating 0.15–1.2 A; cooling 0–1.5 A
- Setpoint range
- 50–90 °F
- Operating humidity
- 0–90% RH, non-condensing
- Millivolt support
- Yes, with anticipator set to the millivolt link
- Dual transformer support
- Yes, documented two-transformer wiring
- System modes
- Heat; Off; Cool
- Fan modes
- Auto; On
- Mounting methods
- Horizontal wall mounting