Venstar Phone Controlled* Thermostat: T1900 (Residential)

Venstar Phone Controlled* Thermostat: T1900 (Residential)

Item#: T1900
*Note: Venstar Phone Controlled* Thermostat: T1800 (Residential) requires the use of Venstar Comfort Call Phone Controller (ACC0433) (not included). Note: Common wire required. If common wire not available see here for solution.
$110.49
Availability:In Stock. Order by 2pm EST for same-business-day shipping.
$110.49
 
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**Venstar Thermostat IR Control and Receiver (ACC0431) can be used with this thermostat to allow for local handheld control.

Note: Common wire required. If common wire not available see here for solution.

Save energy by running your heater and air conditioning only when you're at home. The 7-Day Programmable Digital Phone Controlled Thermostat allows you to program the heater to turn on half an hour before you normally arrive home or run the air conditioning only when necessary to keep the pets cool while you're at work. You can even schedule different programs for different days of the week, ideal for people whose schedules vary or who are home on the weekends. Compatible with heat/cool, heat pump, and dual-fuel systems, the 7-Day Programmable Digital Phone Controlled Thermostat will control up to three heat stages as well as two cool stages.

Need help determining which model you need? Just email us a picture of the backplate of your existing thermostat (with wires still connected if possible), and our tech team will be happy to help determine what you need. Send pictures to support@diycontrols.com.



  • 7-day Programmable with up to 4 time periods per day, with copy command for easy programming
  • Built-in humidification/dehumidification control module
  • Auto changeover, 3-stage heat, 2-stage cool for use with gas/electric, heat pump, electric & hydronic heat
  • Configurable for manual changeover, also configurable programmable or non-programmable
  • Adjustable deadbands and timers
  • Control to, or monitor a second remote sensor
  • Dual fuel control
  • Wired or wireless remote sensor averaging
  • 3 configurable outputs for maximum flexibility (MISC1, MISC2, MISC3)
  • Extra 6th and 7th outputs (beyond our standard thermostat)
  • Programmable output (control by time, temperature or internet/phone control)
  • Energy Watch keeps track of energy use by tracking heating and cooling hours
  • Programmable Fan- adjustable 0 to 60 minutes each hour, with programmable start and stop times

  • Smart recovery
  • Display shows both heating and cooling setpoints and room temperature simultaneously
  • All programming and setpoints stored in non-volatile memory, and are never lost in power failure (date and time are not saved)
  • Service filter and service UV lamp indicators
  • Red/Green LED shows whether thermostat is calling for heating or cooling
  • 5-minute compressor time guard and adjustable cycle limit, both defeatable for servicing equipment
  • Outdoor sensor ready with high and low temperature of the day (wired or wireless)
  • Thermoglow backlit electro-luminous display and backlit color coded keys and legends
  • Accepts accessory IR Remote Control system (ACC0431)**
  • Accepts accessory EZ Programmer (ACC0432)
  • For accessory locking cover use (ACC0620)
  • Energy Star
  • Control range is 35 to 99 deg. F.
  • Approximate dimensions: 4.75" x 4.5"


**Venstar Thermostat IR Control and Receiver (ACC0431) can be used with this thermostat to allow for local handheld control.

Learn more about the Venstar T1900 Phone Controlled Thermostat with Venstar's Slimline Platinum Series Simulator!


Venstar thermostats require a minimum of 3 wires for heat and a minimum of 5 wires for heat/cool (6 or more may be required if you have a heat pump system or staging).

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If you need assistance figuring out how many wires you'll need, email us at support@diycontrols.com, with a description of your HVAC system and a picture of your current thermostat wiring connections if possible. Please note that in rare cases, a manufacturer may use proprietary controls that may not be compatible with this thermostat.



No information available at this time. Feel free to contact us for further information.