low voltage thermostat

Fan Switching

• Auto-On(43)
• Auto-On-Program-Circ(3)
• Auto-On-Circ.(3)
• Auto-On-Program(2)

Low Battery Indicator

• Yes(38)
• No(9)

Mounting

• Horizontal(36)
• Vertical(8)
• Horizontal or Vertical Electrical Box(3)
• Round(1)
• Horizontal or Vertical(1)

Batteries Included

• Yes(36)
• No(4)

750mV Compatible

• Yes(35)
• No(16)

Voltage (AC)

• 24(34)
• 20 to 30(11)
• 18 to 30(3)

Stages Cool

• 1(33)
• 2(18)

Battery Backup

• Yes(33)
• No(10)

Stages Heat

• 1(30)
• 2(11)
• 3(6)
• 4 Heat Pump, 2 Conventional(3)
• 4(1)

Power Method

• Hardwired/Battery(30)
• Hardwired(11)
• Battery(5)
• Hardwired/Battery/Power-Stealing Assist(4)

Programmable Fan

• No(30)
• Yes(12)

Remote Sensing Capability

• No(26)
• Yes(13)

Key Pad Lockout

• No(24)
• Yes(13)
• Range Stops(1)
• 4 Levels(1)

System Switching

• Heat-Off-Cool(22)
• Heat-Off-Cool-Auto (16)
• Heat-Off-Cool-Auto-Emer. Heat(8)
• Heat-Off-Cool-Emer. Heat(2)
• Heat-Cool-Auto-Off(1)
• Heat-Cool-Auto(1)
• Heat-Cool(1)

Automatic Changeover

• Yes(22)
• No(9)

Includes

• 2 AA Batteries(21)
• 2 AAA Batteries(5)
• 2 AA Batteries, Wall Plate(4)
• Subbase(3)
• 3 AAA Batteries(3)
• Heat Only or Cool Only Back Plate, Heat-Cool Subbase(2)
• Anchors And Screws(2)
• 2 AAA Batteries, Backplate(2)
• Subbase with Economizer Control(1)
• Sub Base(1)
• Screws and Mounting Plate(1)
• Range Stops, Consisting of a Range Stop Plate, Two Range Stop Adjustment Screws (#2-56 X 7/32 Phillips Pan Head Screws), and an Upper Range Stop Screw (#4-40 X 5/16 Phillips Pan Head Screw)(1)
• Auto-Change Over, Key Board Lock Out(1)
• 2 AA Batteries, Screws and Wall Anchors(1)

Temp. Settings per Day

• 4(20)
• 1(20)
• 4,2, or 0(2)
• 4, 2, or 0(2)
• 4 or 1(2)
• 4,2,or 0(1)
• 4,0(1)
• 4 or 2(1)
• 2 or 0(1)
• 2(1)

Control Range (F)

• 45 to 90(18)
• 40 to 99(15)
• 50 to 90(6)
• 45 to 99(5)
• 40 to 90(3)
• Heat 38 to 88, Cool 60 to 108(2)
• Heat 40 to 90, Cool 50 to 99(1)
• 40 to 88(1)

Filter Indicator

• Yes(17)
• No(5)

Depth (In.)

• 1-1/4(14)
• 1-1/2(11)
• 1-5/16(5)
• 3/4(4)
• 1-3/16(4)
• 1-5/8(3)
• 1-3/8(2)
• 1-1/8(2)
• 1 1/4(2)
• 1-7/16(1)
• 1-3/4(1)
• 1-1/3(1)
• 1(1)

Temporary Program Override

• Yes(13)
• No(3)

Dehumidification Control

• No(13)

Agency Compliance

• Energy Star(13)
• Meets CA Title 24 Requirements(1)
• Energy Star Compliant(1)

UNSPSC

• 41112209(11)

Green Environmental Attribute

• Product Contributes To Reducing Energy Consumption(11)
• Thermostat Has Programmable Feature To Reduce Energy Consumption(8)

Type

• Digital Programmable Single Stage H/C or HP(10)
• Digital Programmable Multi Stage H/C or HP(9)
• Digital Nonprogrammable Single Stage H/C or HP(9)
• Mechanical Nonprogrammable Conventional Systems or HP(6)
• Touch Screen Programmable Multi Stage, H/C or HP(5)
• Digital Nonprogrammable Multi Stage H/C or HP(3)
• Touch Screen Programmable Single Stage H/C or HP(2)
• Mechanical Nonprogrammable Conventional Systems(2)
• Digital Programmable Single Stage H/C(1)
• Digital Programmable Multi Stage HP(1)
• Digital Programmable Multi Stage H/C or HP,Spanish Text(1)
• Digital Programmable Multi Stage H/C(1)
• Digital Nonprogrammable Single Stage H/C(1)

Width (In.)

• 6(9)
• 5-13/16(7)
• 4-3/8(5)
• 4-1/2(4)
• 5-7/8(3)
• 4-3/4(3)
• 5-3/8(2)
• 5-15/16(2)
• 5-1/8(2)
• 5-1/2(2)
• 4(2)
• 3-1/4(2)
• 5(1)
• 4-23/32(1)
• 3-5/8(1)
• 3-3/16(1)
• 3-1/8(1)
• 2-7/8(1)

Temporary Temperature Hold

• Yes(9)
• No(3)

Characteristics

• Blue Screen(9)
• Mercury Free(6)
• Audible Feedback, Selectable High/Low Temp Limits, Key Pad Programming(3)
• Temperature range stops, Selectable Auto/Manual changeover(2)
• Real Time Clock, Change Reminders reminds you to service or replace the air filter, humidifier pad, ultraviolet lamp or thermostat batteries, Removable From Wall For Programming, Three replaceable AAA alkaline batteries, Power thermostats when 24 Vac common is not used. Non-replaceable lithium battery with ten-year life under normal use to hold calendar and time settings. Alkaline batteries keep calendar and time after lithium battery is no longer functional(2)
• System Switches Located on Side(1)
• Standard Display(1)
• Simultaneous program entry and Residual Cooling Feature Provides Up to 90 Seconds Fan Delay on Break for Maximum Cooling Efficiency(1)
• Real Time Clock, Change Reminders reminds you to service or replace the air filter, humidifier pad, ultraviolet lamp or thermostat batteries, Removable From Wall For Programming, Three replaceable AAA alkaline batteries Power thermostats when 24 Vac common is not used. Non-replaceable lithium battery with ten-year life under normal use to hold calendar and time settings. Alkaline batteries keep calendar and time after lithium battery is no longer functional(1)
• Programmable Options(1)
• Program your thermostat before installation by inserting the batteries and starting, with the installer/configuration menu. 12/24 Hr. Clock Option,Key Pad Programming, Selectable Auto/ manual Changeover(1)
• Multi-Stage 2H/2C Or Heat Pump 3H/2C, Energy Star Rated(1)
• Mercury Free, Easy-to-See Model with Large Raised Markings and a Click at Each 2 Degrees Setpoint Change(1)
• Mercury Free, Auto Change Over(1)
• Key Pad Programming, Selectable Auto/Manual changeover, Up to 3 Heat / 2 Cool Heat Pump or Up to 2 Heat / 2 Cool Conventional(1)
• Key Pad Programming, Selectable Auto or manual Changeover(1)
• Has Terminal for Electric Heat Systems that Require Thermostat to Energize the Blower(1)
• Digital Accuracy, Economy Residential Heating and Cooling Thermostat(1)
• Day/Night Set Points(1)
• Covers Wall Marks Left by Most Mechanical Thermostats without the Need for an Extra Wall Plate(1)
• Comply With Commercial Building Codes Title 24(1)
• Blue Screen (2H/2C) Or Heat Pump(4H/2C)(1)
• Batteries Not required, Power Stealing(1)
• Audible Feedback,(1)

Temperature Limiting

• No(8)
• Yes(4)

Height (In.)

• 3-3/4(8)
• 3-9/16(7)
• 4-5/8(5)
• 3-3/8(5)
• 4-9/16(4)
• 4-1/2(4)
• 5(2)
• 3-7/16(2)
• 3-13/16(2)
• 3-1/4(2)
• 3-1/2(2)
• 3 3/4(2)
• 5-1/4(1)
• 4-3/4(1)
• 4-1/4(1)
• 2-27/32(1)

Programs per Week

• 7(7)
• 5-1-1 or 5-2(5)
• 5-2(4)
• 5-1-1, 5-2, or Configure as Nonprogrammable(4)
• 5-1-1, 7 Day, or Configure as Nonprogrammable(3)
• 5-1-1(3)
• 5-1-1, 7 Day or Configure as Nonprogrammable(2)
• 7 Day or Configure as Nonprogrammable(1)
• 1(1)

For Use With

• Gas, Oil, Forced Warm Air, Hot Water, Steam or Gravity(6)
• Heat Only, Cool Only, Heating & Cooling, Single Stage Gas, Oil, Electric, Multi-Stage Gas, Oil, Electric, Heat Pump, Millivolt, 3-wire Zone Valve(7)
• Heating, Cooling, Heat Pump Without Auxiliary Heat, Millivolt, 3-wire Zone Valve(2)
• Heating & Cooling, Single Stage Gas, Oil, Electric, Single Stage Heat Pump, Millivolt(2)
• Heat, Cool Systems(2)
• Heat and Cool Systems(2)
• Gas, Oil, Electric, Heat Pump, Forced Warm Air, Hot Water, Steam Or Gravity(2)
• Gas, Oil, Electric Heat, or Heat Pump and 750 mV, Outdoor or Indoor Remote Sensors(2)
• Standard Heat Pump Systems With Electric, Gas Or Oil Auxilliary Heat(1)
• Single-Stage Heat Pumps(1)
• Indoor or Outdoor Sensors Nos. 6WY20, 6WY21, 6WY16, 6WY17, 6WY20, 6WY21 ,6WY16 ,6WY17(1)
• Heating/Cooling Systems(1)
• Heat, Cool, and Heat Pump Systems, 3-wire Zone Valve(1)
• Heat and Cool Systems, hydronic 3-wire zone valves(1)
• Heat Pumps(1)
• Heat Only, Cool Only, Heating & Cooling, Single Stage Gas, Oil, Electric, Single Stage Heat Pump, Millivolt, 3-Wire Zone Valve(1)
• Gas, Oil, or Electric Furnaces, Millivolt, Heat Pump(1)
• Gas, Oil, Electric Heat, or Heat Pump, Outdoor or Indoor Remote Sensors(1)
• Gas, Oil, Electric Heat and Cool System(1)
• Gas, Oil, Electric(1)
• Gas, Oil, 24V Electric(1)
• Gas, 24V Electric Heat, Oil, Single Stage Heat Pump(1)
• Conventional or Heat Pumps(1)
• Conventional Heat, Cool Systems(1)
• 24VAC/Millivolt Heating Cooling Systems & Single-Stage Heat Pumps(1)
• 2 Heat/2 Cool Conventional, 2 Heat/1 Cool Heat Pump(1)

Display

• Analog(6)
• LCD, Backlit(3)
• LCD(3)
• 2.0 sq. in., Blue LED, Backlit(3)
• 10 sq. in., LCD(3)
• Spanish Language Only, 4.0 sq. in., Blue LED, Backlit(2)
• 6.0 sq. in., Blue LED, Backlit(2)
• 2.2 sq. in., Digital Backlit(2)
• 12 sq. in., Blue LED Backlit(2)
• Large Digital Backlit(1)
• Large Character Display, 5.09 sq. in., LCD, Backlit(1)
• LCD Backlit When Key is Depressed(1)
• Extra-large Character Display, 3.2 sq. in., LCD, Backlit(1)
• Digital Backlit(1)
• Digital(1)
• Blue Digital, Backlit(1)
• 6.0 sq. in., Blue Digital(1)
• 5.1 sq. in., LCD Backlit(1)
• 5.09 sq. in., LCD Backlit(1)
• 5.09 sq. in., Digital Backlit(1)
• 4.0 sq. in., Digital(1)
• 4.0 sq. in., Blue Digital(1)
• 4 sq. in., Blue LCD Backlit(1)
• 4 sq. in., Blue Backlit Large-Character Screen(1)
• 3.75 sq. in., LCD, Backlit(1)
• 3.75 sq. in., LCD Backlit(1)
• 2.1 sq. in., LCD, Backlit(1)
• 12 sq. in., Blue LED, Backlit(1)
• 1.3 sq. in., LCD Backlit(1)
• 1.2 sq. in., LCD Backlit(1)
• 1.2 sq. in., LCD(1)
• 0.9 sq. in., LCD Backlit(1)

Terminal Designations

• R,RC,Y,W,G,O,B(5)
• RH,RC,Y,W,G,O,B(4)
• R,RC,C,Y1,Y2-E,W-O/B,W2-Aux,G,L(4)
• RH,RC,Y,W,G,O,B,A(3)
• RH,RC,C,Y,W,G,O/B(3)
• RH,RC,Y,W,G(2)
• RH,RC,C,Y,Y2,W/E,W2,G,O/B,6,L(2)
• RH,RC,C,Y,W,G,O,B(2)
• R,RC,C,Y,Y2,W-O/B,AUX-W2,G,L,E,S1,S2(2)
• R,RC,C,Y,W,G,O/B(2)
• R,RC,C,Y,G,W-O/B(2)
• R,C,Y,W,G,O/B(2)
• RH,RC,C,Y,Y2,W/E,W2,G,O/B,L,6,A1,+,S,-(1)
• RH,RC,C,Y,Y2,W/E,W2,G,O/B,L,6,+,S,-(1)
• RH,RC,C,Y,Y2,W/E,W2,G,O/B,L(1)
• RH,RC,C,Y,Y2,W/E,W2,G,O/B,6,L,A1,+,S,-(1)
• RH,RC,C,Y,Y2,W/E,W2,G,O,B,L,6,+,S-(1)
• RH,RC,C,Y,Y2,G,W/E,W2,O/B,6,L(1)
• RH,RC,C,Y,W,G,O,B,6,+,S,-,L(1)
• RH,RC,C,Y,W,G(1)
• R,RC,C,Y,Y2,W,W2,G.O/B,Aux/E,L(1)
• R,RC,C,Y,Y2,W,W2,G,O/B,A,L,S1,S2(1)
• R,RC,C,Y,W,G,O,B(1)
• R,RC,C,Y,G,W-O/B,S1,S2(1)
• R,C,Y1,Y2,W1,W2/E,G,O,B,L(1)
• R,C,Y,Y2,W,W2,G,A,S1,S2(1)
• R,C,Y,W2,G,O/B,L(1)
• R,24V(C),Y1,Y2,W1,W2,G,O,B,24V,LED1,LED2,S2,RS1,RS+V,NO,COM,NC(1)
• R,24V(C),Y1,W1,G,24V,CLK1,CLK2,RS2,RS1,RS+V(1)
• 24V,24V(C),Y1,W1,G,O,B,R,LED1,LED2,CLK1,CLK2,RS2,RS1,RS+V(1)

Green Certification or Other Recognition

• ENERGY STAR Rated(1)

Dia. (In.)

• 3-11/16(1)
• 3-1/4(1)