Equipment Interface Module controls up to 4-stages of heat and 2-stages of cool in a heat pump system and up to 3-stages of heat and 2-stages of cool in a conventional system. Three sets of Universal IAQ contacts to control humidification, dehumidification, and ventilation. Four sensor inputs for wired sensors or dry contact devices.,
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Honeywell YTHM5421R1010

Honeywell YTHM5421R1010

Thermostat works standalone or with the THM5421R1021 Equipment Interface Module or with the TrueZONE Wireless Adapter.Smart Schedule - programs in seconds for any lifestyle.Patented interview based programming and installer setup.RedLINK wireless communication.Increase profit per job by including RedLINK accessories that provide comfort and convenience. RedLINK accessories include the RedLINK Internet Gateway, Portable Comfort Control (PCC), Wireless Outdoor Sensor, Wireless Indoor Sensor, Wireless Entry/Exit Remote, Wireless Vent and Filter Boost Remote, TrueSTEAM humidifier with Wireless Adapter and TrueZONE zoning panel with Wireless Adapter.

Selectable for residential and light commercial applications. Meets commercial code and is title 24 compliant.

Light commercial - commercial language (occupied and unoccupied), schedule holidays and custom events, remote setback, economizer and time of day. Remote Setback requires the

THM5421R1021 Equipment Interface Module.

Plain language setup, no manual needed.

Alerts and User Interactions Log - Keeps a searchable history of alerts and setting changes to the thermostat to determine if there is a system malfunction or if the issue was caused by a user error. Saves time in troubleshooting and points the technician in the right direction. The Alert and User Interaction Logs are viewable on a computer after you download them from the thermostat to a microSD card.

Customizable Service Reminders allow dealers to remind their customers when its time to call for service, when their warranty is expiring and to provide customized alerts.

MicroSD port for copying the Installer Setup, Customizable Reminders, Custom Events and Holidays to multiple thermostats.

MicroSD port for adding the dealer's contact information on the screen.

1 assignable output on the TH8321 model to control humidification, dehumidification, ventilation or a stage of heating/cooling.

3 assignable outputs on the Equipment Interface Module to control humidification, dehumidification, ventilation or a stage of heating/cooling. The TH8110 and TH8320 models require the use of a Wireless Indoor Sensor to control humidification and dehumidification.

1 assignable input can be used with a wired outdoor, indoor or discharge sensor.

4 assignable inputs on the Equipment Interface Module can be used with wired outdoor, indoor or discharge sensors, occupancy sensor for remote setback and dry contact devices to

trip pre-packaged or custom alerts such as a full drain pan or water leak.

Extend wireless range of the Equipment Interface Module by connecting a THM4000R1000

Wireless Adapter to the ABCD terminals.

Dual powered - battery or hardwired (C wire).

Precise temperature control (+/- 1° F) for reliable and consistent temperature.

Multiple staging options to provide comfort or energy savings.

TH8110R1008, TH8320R1003, and TH8321R1001 are ENERGY STAR Certified,
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HONEYWELL YTH8321R1002

HONEYWELL YTH8321R1002

White Rodgers Cooling Controls 1F78-144 White Non-Programmable Digital Thermostat, 1H/1C, mV - 30 VAC , 45 - 90 deg F

White Rodgers 1F78-144

White Rodgers 1F78-144

White Rodgers Cooling Controls 1F78-151 White 5-2 days Program Digital Thermostat, 1H/1C, mV - 30 VAC , 45 - 90 deg F

• Fossil fuel or electric compatible
• Large LCD with backlight
• Selectable celsius or fahrenheit temperature display
• Includes B/O terminals
• Electronic accuracy
• Covers wall marks left by most mechanical thermostats the need for an extra wall plate
• 4-program periods per day
• Energy management recovery

Sid Harvey Item #:1F78-151: Replaces Part #:'s : 24256,

White Rodgers 1F78-151

White Rodgers 1F78-151

White Rodgers Cooling Controls 1F95-0671 White 7, 5-1-1 days Program Digital Thermostat, 2H/2C, 4H/2C Heat Pump, mV - 30 VAC , 45 - 99 deg F

• Quick 1-butTon programming, exclusive battery power monitor
• Blue, lighted display for easier low-light viewing, larger, easy-to-read character size, large butTons for easy operation
• Installer selectable system applications
• 4-time and 4-temperature settings per program (2-setbacks) heat and cool or selectable - 2-time and 2-temperature settings (1-setback)
• Energy savings up to 33%, patented pre-programmed schedule simplifies time and temperature programming
• Intuitive menu-driven set-up, programming and operation with audio prompt to confirm touchscreen entries
• Permanent program retention during power loss
• Indefinite setpoint hold or temporary temperature override
• Temporary temperature override - will override program for 2 hr
• Heating and cooling, heating only or cooling only configuration (installer selectable)
• Setpoint temperature limited range capable, maintains room temperature to within plus or minus 1 deg F, room temperature display can be recalibrated up to plus or minus 4 deg F
• Furnace filter change reminder, selectable energy management recovery
• Fast (FA) or slow (SL) heating cycle anticipation, exclusive call for service diagnostic indicator
• Compressor lockout protection, electric heat option, milliVAC compatible
• Audible feedback, ignition module reset
• Hardwire or battery with power stealing assist
• Programmable fan control, keypad lockout
• 5 years limited warranty

Sid Harvey Item #:1F95-0671: Replaces Part #:'s : L44-630,

White Rodgers Cooling Controls 1F86-344 White Non-Programmable Digital Thermostat, 1H/1C, mV - 30 VAC Battery, 20 - 30 VAC Hardwire, 45 - 99 deg F

White Rodgers 1F86-344

White Rodgers 1F86-344

White Rodgers Cooling Controls 1F80-0261 White 5-1-1 days Program Digital Thermostat, 1H/1C, 0 - 30 VAC , 45 - 90 deg F

• Easy set models feature simple home-sleep-away preset butTons
• Exclusive cool savings feature saves energy during peak A/C demand periods
• Long battery life, exclusive battery power monitor
• 4-time and 4-temperature settings per program (heat and cool)
• Energy savings up to 33%
• Patented pre-programmed schedule simplifies time and temperature programming
• Easy to read LCD with improved contrast
• Lighted display for easier low light viewing
• Permanent program retention during power loss
• Setpoint hold, simple setup menu to activate optional features
• Temporary temperature override 2 hr minimum or until next program period
• Soft touch keypad, easy access battery compartment
• Selectable energy management recovery
• Fast (FA) or slow (SL) heating cycle anticipation
• Easy to wire push-connect color coded terminals
• Compressor lockout protection, electric heat option
• Display temperature recalibration (plus or minus 4 deg F)
• Milli-VAC compatible
• 5 years limited warranty

Sid Harvey Item #:1F80-0261: Replaces Part #:'s : 31121 | 31142 |,

1F80-0261

1F80-0261

White Rodgers Cooling Controls 1F83H-21NP White Non-Programmable Digital Thermostat, 2H/1C Heat Pump, mV - 30 VAC Battery, 20 - 30 VAC Hardwire, 45 - 99 deg F

• Large screen display - bright backlight, high contrast screen is easy to read
• Selectable programming - standard feature on all programmable models
• Dual fuel control - no outdoor sensor required, standard on all staging models
• Advanced features - keypad lockout, temperature limits
• Easy to install - built-in level indicator, simple set up menu, terminal block connections on subbase
• Permanent memory, lighted display
• 32 - 99 deg F display temperature range

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White Rodgers Cooling Controls Easy Reader 1F95EZ-0671 White 7 days Program Digital Thermostat, 2H/2C, 4H/2C Heat Pump, mV - 30 VAC Battery, 20 - 30 VAC Hardwire, 45 - 99 deg F

• Installer configurable system applications
• 2-time and 2 temperature settings per program (1 setback) heat and cool or selectable 4-time and 4 temperature settings (2 setbacks)
• Energy savings up to 30%, patented pre-programmed schedule simplifies time and temperature programming
• Blue, lighted display for easier low-light viewing, larger, easy-to-read character size, large 1-butTon 1-function keys for easy operation
• Dual fuel capable with built-in smart fuel logic program (no outdoor sensor required)
• Selectable energy management recovery
• Fast (FA) or slow (SL) heating cycle anticipation, exclusive call for service diagnostic indicator
• Compressor lockout protection, electric heat option, milliVAC compatible
• Intuitive menu-driven setup, programming and operation, with audio prompt to confirm entries
• Permanent program retention during power loss
• Indefinite setpoint hold or temporary temperature override
• Temporary temperature override - will override program for 2 hr
• Heating and cooling, heating only or cooling only configuration (installer selectable)
• Setpoint temperature limited range capable
• Maintains room temperature to within plus or minus 1 deg F
• Room temperature display can be recalibrated up to plus or minus 4 deg F
• Audible feedback, ignition module reset
• Battery with power stealing assist
• 5 years limited warranty

Sid Harvey Item #:1F95EZ-0671: Replaces Part #:'s : 39991,

White Rodgers 1F95EZ-0671

White Rodgers 1F95EZ-0671

White Rodgers Cooling Controls 1F83H-21PR White 7, 5-1-1 days Program Digital Thermostat, 2H/1C Heat Pump, mV - 30 VAC Battery, 20 - 30 VAC Hardwire, 45 - 99 deg F

• Large display - bright backlight, high contrast screen
• Selectable programming - standard feature on all programmable models
• Dual fuel control - no outdoor sensor required, standard on all staging models
• Advanced features - auto-changeover on universal models, keypad lockout, temperature limits
• Easy to install - built-in level indicator, simple set up menu, terminal block connections on subbase
• 80 series thermostats feature a slim profile and a modern design
• 32 - 99 deg F display temperature range
• 4,0 program periods per day
• Continuous backlight with common wire
• Permanent memory
• Energy management recovery/early start program
• Filter change reminder

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White Rodgers 1F83H-21PR

White Rodgers 1F83H-21PR

White Rodgers Cooling Controls 1E56N-444 White Non-Programmable Mercury-Free Mechanical Thermostat, 1H/1C, 20 - 30 VAC , 50 - 90 deg F

• Enclosed contacts for increased reliability and accuracy
• Mercury free snap-action contacts with dust cover
• Resistant to vibration
• Mounts to wall or junction box
• Built-in bi-metal thermometer
• Adjustable from 0.15 - 1.2 amp heat and fixed cool anticipator
• Milli-VAC compatible
• 5 years limited warranty

Sid Harvey Item #:1E56N-444: Replaces Part #:'s : 38270,