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Dual Temperature Thermostat

Dual Temperature Thermostat

T-4506 Series
Download Specs
The T-4506 Thermostat is a high volume output, dual temperature, dual dial thermostat. The T-4506 provides individual day and night, or two set point temperature control.
Features and Benefits
  • Available in Direct Acting (DIR) and Reverse Acting (REV) models
  • Includes Fahrenheit dial
  • Direct acting available in vertical or horizontal model
  • Reverse acting available in horizontal model
  • Available with optional manual indexing switch that permits you to restore the day temperature of the individual thermostat without affecting the other system thermostats
  • Indexing switch can be unlatched manually or will automatically reset with the day cycle
  • Sensitivity Adjustable from .75 to 4.0 psig/°F (9 to 50 kPa/°C)
  • Factory set at approximately 2.5 psig/°F (32 kPa/°C)
  • Flow Capacity 400 SCIM (107 mL/s)
  • Air Consumption 20 SCIM (5 mL/s)
  • Supply Pressure 13 to 25 psig (91 to 175 kPa) Nominal Day 15 psig (105 kPa) Nominal Night 20 psig (140 kPa)
  • Dial Range 55 to 85°F (Two Dials)
  • Air Connections Two (Supply and Output)
  • Special Feature Optional Manual Indexing Switch
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Recycling Program

Johnson Controls supports and sponsors thermostat recycling programs in the U.S. and Canada. We are a member of the Thermostat Recycling Corporation (TRC), a not-for profit organization that facilites the collection and proper disposal of mercury-containing thermostats in the United States. TRC maintains a network of more than 3,400 collection sites nationwide. To find a collection point in your area, go to and enter your zip code.

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