Low Voltage Thermostats - Programmable or Non-Programmable - mV to 24V & 30 VAC
Electric heating with low voltage thermostats and relays
The same low voltage thermostats that are used to control central heating and cooling systems can also be used with electric comfort heating when combined with a relay instead of a line voltage thermostat. In the low volt setup, the switching of the power on and off (controlling of a line voltage resistive load) is done by an external electromechanical relay instead of the thermostat.
The Aube RC840T Series Electromechanical Relay is one of the options, it has a built-in 24 V transformer, operates silently, and on a call for heat, the relay is immediately activated with no delay. It is wired to the thermostat with common thermostat wire and the relay is wired to the heater with common 12 gauge building wire. It can be very advantageous to use electric heat relays and low voltage thermostats instead of line voltage thermostats. Low voltage thermostats offer a vastly greater selection and better availability. There are even options to control the temperature of every room in your house from any computer or smartphone with thermostats such as Honeywell's new Prestige thermostat. Another benefit of low voltage thermostats is that a room that requires more than 5,000 watts is easier to control with one thermostat instead of 2 or more and the room will be more comfortable because the temperature will vary less. Electrical contractors are familiar with how to install and mount relays and follow local building codes regarding the use of both low and line voltage in your system. Relays can be mounted in a varietry of areas such as inside baseboard heaters, on an accessable junction box or panel in the room or the basement below the rooms being heated.
Honeywell PRO Programmable Thermostats- Honeywell PRO Non-Programmable Thermostats
- Aube Tech Honeywell TH114-AF Series Low Voltage Thermostats
- Aube Hot Water Heating Thermostat
- Stelpro Low Voltage Electronic Thermostat (ET180). Voltage: 1 A @ 24 Vac. 2-wire connection. display powered by batteries (2 X AAA)
- Stelpro 0-10V Output Electronic Thermostat (ET120). LCD digital screen. 24 Vac 50/50 Hz, "heat", °C , white
- White-Rodgers 1F78-151 Series Low Voltage Thermostat
- White-Rodgers 1F97-1277 Series Low Voltage Thermostat
- TPI Corp/Markel TH115-A-024T Low Voltage Programmable Thermostats
- Aube Tech Honeywell TH115-A Series Low Voltage Thermostat
- Honeywell FocusPRO 5000 Non-Programmable Thermostats
- Honeywell VisionPRO 8000 7-Day Programmable Thermostat
- Stelpro low voltage programming electronic thermostat (STE241) (24 V) control relays (electronic or not) for electric heaters with or without fans & electric furnaces
- Honeywell Low voltage thermostats mechanical mV to 24V
- TPI Corp/Markel RK Series Low Voltage Thermostats
- TPI Corp/Markel RF Wireless Interface Series
- TPI Corp/Markel UT Series Low Voltage Thermostats
- Dimplex T822K1018 Low Voltage Triac for 24 Volt Control Systems. 30VAC Max, 1.5 Amp, 50-86F, Adjustable Anticipator Setting
- Stelpro Low Voltage Electronic Thermostat (D010). 1 A @ 24 Vac. 3-wire connection. All or nothing @ 24 Vac
- Stelpro low voltage thermostat. (T822K1018U). 24 Volts. 2-wire connection. compatible with all RE and R841 model relays
- Stelpro low voltage thermostat. (T87K1007U). 24 Volts. 2-wire connection. compatible with all RE and R841 model relays. 1 A @ 24 Vac
- Low voltage two stage thermostats
- King Electric KRF-24V-KIT Thermalink 24-Volt RF Wireless Thermostat Platform Kit With 24-Volt HVAC Relay designed for virtually every type of HVAC system. Includes a 7-day programmable thermostat and a 24V heat pump relay
- 1F80-361 Low Voltage ThermostatWhite-Rodgers 80 Series Single Stage Thermostat - 5+1+1 Day Programmable - For 24 VAC or Millivolt Systems - Hardwired or Battery Powered - Large LCD with backlight - Permanent program retention during power loss - Terminals: RC, RH, C, W, Y, G, O, B
WR10051
- 24A06G-1 Dual Level-Temp Silent RelayWhite Rodgers Dual Level Temp Silent Relay and Transformer - Two SPST N.O. Switches 25 Amp Non Inductive Loads - 240VAC Input Voltage - Used To Control Two Separate Loads With A Single Low Voltage Thermostat (Purchased Separately)
WR10009
- AT72D1089 TransformerHoneywell Foot mounted 120 Vac Transformer with 9 in. leadwires - 40 VA transformers power 24V systems including thermostats, gas valves and relays.
HONEYWELL10005
- ET120 Thermostat - Celsius OnlyStelpro 0-10V Output Electronic Thermostat (ET120). LCD digital screen. 24 Vac 50/50 Hz, "heat", °C , white - Lcd - 0 - 10V Output - 24 Voltsac - "Heat" - °C - White
STELPRO626296197530
- R841C1151 Stelpro STELPRO R841 SeriesStelpro Low Voltage Electromechanical Relay - R841 Series - Can be installed in an external junction box and may or may not be installed in the junction box of the heating unit - with Transformer 600/24 Volts
STELPRO085267128667
- R841D1036 Mech. Relay No Transformer 24VStelpro Low Voltage Electromechanical Relay - R841 Series - Can be installed in an external junction box and may or may not be installed in the junction box of the heating unit - No Transformer 24 Volts
STELPRO626296188101
- R841D1036/U Two Wire 24V RelayHoneywell Electric Heater Relay - Use with 24 Vac thermostat to control electric heating equipment such as baseboard, ceiling cable & duct heaters - SPST Switching - requires transformer - switches up to a 5,000 W load
HONEYWELL10063
- RE153 Triac Electric Rel. 120-347V 15AStelpro Low Voltage Smaller-Sized Electronic Relay - Triac Low Voltage Smaller Sized Electronic Relay 120 - 347 Volts - 15A
STELPRO626296105917
- RE253C Triac RelayStelpro Low Voltage Electronic Relay - Triac Relay without Transformer 25A/208 - 347 Volts - (Remote)
STELPRO626296105948
- RE253T Triac RelayStelpro Low Voltage Electronic Relay - Triac Relay C/ Watts - Transformer 25A/208 - 347 Volts - (Remote)
STELPRO626296105955
- RE306C Triac RelayStelpro Low Voltage Electronic Relay - Triac Relay without Transformer 30A/600 Volts - (Remote)
STELPRO626296105979
- RK124EAA Low Voltage StatTPI Corp. (Markel/Raywall) No Mercury - Leveling not required - Long life sealed contacts - Fahrenheit & Celsius temperature scales - 2-3F rated differential - cUL Listed 35-75* F temp range - Catalog #: 05262002
MARKEL526203
- RK130EAA Low Voltage Tstat 50-90FTPI (Markel/Raywall) Milivolt, Max 1 Amp, RK LowVage Heat Only Mercury Free Thermostat for Millivolt Systems 50-90F, Positive off, Does not contain Mercury, Fahrenheit & Celsius temperature scales, 2-3F rated differential, UL listed, Cat. # 052
MARKEL526050
- RK134EAA Low Volt Wall ThermostatTPI Corp. (Markel/Raywall) RK Series Low Voltage Thermostats - Heat Only Milivolt Low Volt - Wall Thermostat - Catalog #: 05263202
MARKEL526326
- RKWP1AA Wall Plate for RK Series StatTPI Corp. (Markel/Raywall) RK Series Low Voltage Thermostats Accessory - Wall Plate for RK Series Thermostat - Catalog #: 05261402
MARKEL526142
- STE241WB+ Electronic ThermostatStelpro Low Voltage - 24 V Single Programming Electronic Thermostat - (STE241) (24 V) efficiently control relays (electronic or not). Electric units with or without fans and electric furnaces - 24 Volts - 1 Stage (White)
STELPRO626296275740
- T822K1018/U Stelpro T822K1018U SeriesStelpro Low Voltage Thermostat - 24 Volts. 2-wire connection. compatible with all RE and R841 model relays - White L.V. T822 without Mercury (Degrees Fahreheit)
STELPRO626296186534
- T822K1018/U Thermostat, Heat, Low VoltHoneywell Premier White Thermostat - 24 Vac control of heating systems - Mercury Free - 20 to 30 Vac - SPST - 45 F to 95 F
HONEYWELL10086
- T87K1007/U Stelpro T87K1007U SeriesStelpro Low Voltage Thermostat - 24 Volts. 2-wire connection. compatible with all RE and R841 model relays. 1 A @ 24 Vac - White L.V. T87 without Mercury (Degrees Fahreheit)
STELPRO085267263597
- TH1100DH1004/U Low Volt Non-prog TStatHoneywell - Heat Only - White - PRO 1000 Horizontal Non-Programmable Digital Thermostat - 1 Heat - 20 to 30 Vac or 750 mV - Dual Powered: Battery or Hardwire
HONEYWELL10084
- TH140-28-01-B Electronic ThermostatStelpro Electronic Thermostat - Line and Low Voltage - 7-Day Programmable - Millivolt To 240 Volt, 5A Res. 2A Ind
STELPRO626296646441
- TH140-28-01-B Programmable ThermostatHoneywell International (Aube Tech) Thermostat for Hot Water Heating - Compatible with electric heat applications using an electromechanical relay - Line and low volt 7-day programmable electronic thermostat for central (conventional) heating
AUBE10015
- 05584 T-stat Wire 18Ga (1 Foot Length)Carol Brand White 18 Gauge Copper 4 Conductor with PVC insulated solid conductors and jacket. Type CL2 E# (UL) 105C. UL Listed - White, Red, Green, Blue - Sold By The Foot
WIRETS10004
- 1F78-151 Programmable ThermostatWhite-Rodgers Low Voltage 24 Volt or Millivolt system Programmable (5+2) 1 Heat/1 Cool Thermostat, Battery Powered
WR10039
- 1F82-261 2 Heat 1 Cool ThermostatWhite-Rodgers Low Voltage Programmable (5+1+1) Multi-Stage Heat Pump Thermostat, Battery Optional. 24 Volt or Millivolt system - Lighted display for easier low-light viewing - horizontal mounting
WR10042
- 1F97-1277 Blue Touchscreen ThermostatWhite-Rodgers 24 Volt Programmable 1 Heat/1 Cool Thermostat (7 day, 5+1+1, or non-programmable). 90 SERIES BLUE TOUCHSCREEN thermostat. 24 VAC Hardwire, Battery
WR10040
- 24A06G1 Low Voltage Relay Two SwitchTPI Corp. (Markel/Raywall) 24A Series Low Voltage Relays - 240 Volt - Low Voltage Relay - Two Switch Single Throw - Catalog #: 02601002
MARKEL260107
- 55305-04-07 T-stat Wire 18Ga (1 Foot)Thermostat wire, 18 Gauge, 5 Conductor. 18/5 Brown. Thermwire by Coleman Cable. Low voltage cable with insulated solid conductors and jacket - Sold By The Foot)
WIRETS10001
- AT120A1004/U 120/208/240 Vac TransformerHoneywell 20VA, foot mounted 120/208/240 Vac transformer with 9 in. lead wires - 20 VA general purpose transformers power 24Vac circuits - Primary voltage 120 Vac, 208 Vac, 240 Vac; Secondary voltage 27 V.O.C.
HONEYWELL10076
- AT140A1018/U 120/208/240 Vac TransformerHoneywell 40VA, foot mounted 120/208/240 Vac transformer - 40 VA general purpose transformers power 24Vac circuits - Primary voltage 120 Vac, 208 Vac, 240 Vac; Secondary voltage 27 V.O.C.
HONEYWELL10075
