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Fig. 28—Dual Fuel Thermostat with Two-Stage
Furnace and Single-Speed Heat Pump
Fig. 29—Dual Fuel Thermostat with Two-Stage
Furnace and Two-Speed Heat Pump
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Fig. 30—Two-Stage Thermostat with Two-Stage
Furnace and Two-Speed Air Conditioner
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Fig. 31—Single-Stage Thermostat with
Two-Stage Furnace and Two-Speed Air Conditioner
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