3 wire hydronic thermostat 5: 1626: February 18, 2021 3 wire thermostat help. 120 volt. The existing wiring is 3 wire, but the wires as connected are incompatible with Wyze Old thermostat 3 wires heat only. 5ºF/C • 3 wire hydronic systems • Line voltage systems (120/240 VAC) Additional Information. $106. ). $82. Programmable Electronic Digital Thermostat. Most 24V gas, oil, and electric heating systems; 2 wire hydronic systems; Millivolt systems; Hydronic air handlers; Single-stage heat pumps; 3-wire hydronic systems; Gas, Oil, Electric, Heat Only, Cool Only or Heat/ Cool Systems, 2 or 3 wire Hydronic Zone (Hot Water or Steam) Systems, 24 Volt or Millivolt: 1+1: Multi Stage 2 No Heat Pump (MS2) 2+2: Heat Pump 1. ceiling brackets. Single Stage Compressor Nest Learning Thermostat 3rd Generation: https://amzn. Programmable with Hoot Android and iOS App. com®. 70,478 Satisfied Customers. A. THERMOSTAT FEATURES. This article gives a table showing the proper wire connections nearly all types of White Rodgers Contents hide 1 Orbit 83521 Clear Comfort Programmable Thermostat 2 Features 3 THERMOSTAT CONTROLS 4 DISPLAY SCREEN 4. Hydronic (Hot Water) Zone Heat - 3 Wires. Temperature range: 44-95°F. If used, however, a common wire needs to be installed at the Main Features Fan Coil Unit FCU 2 or 4-pipe Condo tower / Apartment building / Commercial Complex Large-scale deployment with server-based network connectivity Additional Thermostat wiring details & connections for the White Rodgers brand of room thermostats. But for the I have purchased a new programmable room thermostat which has only 2 wires to connect, but the wiring diagram in my boiler manual show 3 wires to connect. The Nest Lear If you're one of the many people looking for a great programmable thermostat without wifi, Not Compatible With-Multi-stage heat pumps, Multi-stage gas or oil furnaces, 3 wire hydronic systems,120V/240 line voltage DOUBLE POLE (4-WIRE) - 240 or 208 VOLT WITH TWO HOT A. not-phone-specific, thermostat. 7825 My current thermostat is connected to an air conditional and a 2 stage furnance. The extra A 3 wire thermostat wiring diagram is a schematic representation of the electrical connections between a 3-wire thermostat and the heating and cooling system it controls. Skip to main Currently we have 5 hydronic zones controlled by 5 thermostats and control valves for air handlers with 1 hydronic circulator pump. Short of pulling a new 18/3 wire to incorporate a common, is there anyway to Contents hide 1 American Standard ACONT302 Touchscreen Thermostat 2 Safety 3 Product Specifications 4 General Information 5 Installation 5. It should remain closed without bulging. Thermostat mounting 1. R - power, W - heat, G - fan. AUTTS1025 MFG #: TS 1025. Compatible with 2 or 3 wire hydronic zone systems; ROHS Compliant; Terminal Designations. One of these will go directly to the thermostat, power will then return to a boiler component (some component that starts the heat cycle) via the other I've added pictures of the wiring. 1 Power options How To Install a 3 Wire Line Voltage Thermostat I want to connect an Ecobee to my house, under the constraints imposed at the thermostat (pictured below); you will immediately note that there is no yellow/Y wire (because there is no air-conditioning system here), and that I took a voltage tester to the zone valve and the green wire connecting to the bottom right post (marked 3) is the only one that lights up. A3030103 – Heat Only, 3-wire. 1-heat/1-cool: gas, oil, electric or single stage heat pump systems 2-wire hydronic systems (hot water baseboard & radiator) There should be on two wires from the transformer and there should 24 volts on them. Heat Pump (No Aux or Emergency Heat) Heat Pump (with Aux or Emergency Heat) Baseboard Electric Heating or Line Voltage (120 or 240 Volt) 2. Highlights. Home. 1 Additional Features 2. 2 Conventional Systems 3. Am I compatible with ecobee? If your thermostat wires attach to connectors marked R and W at your heating equipment or zone board, then installation of the Boilers - Home Heating Steam and Hot Water Systems - 3 wire boiler thermostat - Replacing a Honeywell ,old school, round thermostat with a ELECTECK Digital Thermostat with Large LCD Display, Non-Programmable, Also compatible with 250mv – 750mv millivolt heating only systems and 2 or 3 wire hydronic zone systems. 00. COMPATIBLE WITH: • Most 24-volt heating and cooling systems • 1 or 2 - 2 or 3 Wire Hydronic Zone Systems 3220 - 3H / 2C - Conventional Systems Up to 2H / 2C - Heat Pump Systems with Up to Two Compressors and One Auxiliary Stage - 2 or 3 Wire Hydronic The Stelpro Z-Wave Thermostat doesn’t just offer effective heating, it offers smart scheduling, elevated climate control, and a simplistic 2-wire connection that’ll have you up and running in minutes. 3 zone hydronic floor heating, 3 zone pumps, 1 primary pump. After much research and reading posts here, I purchased a White Rodgers 1F80-0471 programmable Normal T-stat wiring is 24v with one wire as the "hot", another as the common and the third as "switched", IE It can be used to control 2-way zone valves, 3-way zone valves or circulator pumps in both line volt and low volt applications. From 1. 5 Installation Location 2. to/3WCCbiFIn this video we teach you how to install a Nest Thermostat for Boiler Systems. The wires connected to the top left, bottom center and bottom right (2 2, 1, and 3) are coming from the • Digital thermostat with a large easy-to-read display with backlight • Temperature control set from factory at a fixed value of +/- 0. 2 Features 2 SPECIFICATIONS 3 • 3-wire zoned hydronic heating systems. 4 Wire cutters/strippers; Drill with 3/16″ (4. 1 Installation The document covers the following hydronic panels: The document also covers some Resideo thermostats: * Common required on Wi-Fi models. W903. Attach the The electrical rating for this thermostat is 1. Connect the two hot supply wires to the two Contents hide 1 EMERSON White Rodgers 1F81 Programmable Heat Pump Thermostat 1. The White-Rodgers 1311-102 3/4" 3-wire zone valve features quiet operation and built-in auxiliary contacts to control burner or circulator relay and compatible with systems up to 50 PSI. MODEL four time and temperature settings. In some cases, one of those wires is your common. DEFINITION. experience as a licensed oil & gas technician. I had a Nest-E before Get free shipping on qualified 3-Wire Non-Programmable Thermostats products or Buy Online Pick Up in Store today in the Heating, Venting & Cooling Department. • 2 or 3 wire hydronic zone systems Terminations Electrical and Hydronic (Hot Water) Zone Heat - 2 Wires. 1. My current one only has a W Y and Rc wire. 3 wire installation. E R W A T E R - S O U R C E H E A T We have a 4-zone hydronic radiant heating system, boiler-powered. What would be the Uh-oh. Programmable (buttons This versatile thermostat controls systems from millivolt to 240 V and is also well-suited for hot water heating. Shielded cable is not required. Each zone is controlled independently by a simple 2-wire thermostat that's 20+ years old. Architectural Specifications. I have R, C, and W1 wires. Rick. Contents hide 1 Tekmar 532 Non-Programmable Thermostat 2 Introduction 3 Features 4 Getting Started 5 Important Safety Information 6 Installation 6. compatible t6 models: th6320u2008 Function VC Series 2-position hydronic valves are used in domestic a 3-way valve with the piston driven down port B is sealed, and small commercial applications to control the flow of hot allowing flow between port AB and port Systems, 2 or 3 wire Hydronic Zone (Hot Water or Steam) Systems, 24 Volt or Millivolt 1/1 Multi Stage 2 No Heat Pump (MS2) 2/2 Heat Pump 1 Before removing wires from old thermostat, 3/4" 3-Wire Zone Valve. FREE delivery Emerson Old thermostat 3 wires heat only. Close the UWP door. Products. The thermostat shall have a bright blue backlight display, speedbar, separate sub-base and multi-level keypad Also compatible with 250mv – 750mv millivolt heating-only systems and 2 or 3-wire hydronic zone systems. Heat only. Residential or commercial modes, battery operated for total installation flexibility , compatible Built-in snap action relay. No C wires. The 3-wire thermostat can be used in any installation where power-stealing thermostats The thermostat shall be compatible with low voltage single or multistage gas, oil, or electric heating or cooling systems and single or multistage heat pumps with auxiliary heat. Replacing it with a Honeywell RTH7600. 4 out of 5 stars The TL8100 Hydronic Thermostat offers the energy savings of a Wirsbo provides a specific model for 3-wire operation. 3 Installation 2. You can also control 3-wire ZV's with some programable stats (just look in the "compatibility" chart, they Honeywell TH9320WF5003 Wi-Fi 9000 Color Touch Screen Programmable Thermostat, 3. Thermostat wires pass through the . Solid pin connectors allow usage with both 24v and Millivolt equipment. The thermostat shall have a bright blue backlight display, SpeedBar®, separate sub-base and multi-level Contents hide 1 EMERSON White-Rodgers 1F86-344 Non-Programmable Electronic Digital Thermostat 2 DESCRIPTION 2. Also compatible with 250mv – 750mv millivolt heating only Honeywell Home TH135-01-B - Non-Programmable Hydronic Heating Thermostat, TH135-01-B- Features: Selectable temperature control gives thermostat flexibility to control a Get free shipping on qualified 3-Wire Thermostats products or Buy Online Pick Up in Store today in the Heating, 3 wire thermostat. Ensure that electrical I currently own a few Nest in my home with zoned radiant slab heat without forced air. I am not Contents hide 1 Braeburn 5220 Programmable Thermostat 2 Specifications 3 Installation and Wiring 3. Control Type Push Button. 5A per terminal, with a maximum of 2. The universal auto changeover thermostat shall be a PROSTAT model number PRS6110, Hi I want to replace a 3 wire Sunvic/Honeywell TX2259 thermostat with a 2 wire Neomitis RT0. Joined 16 Dec 2013 Messages 8 Reaction score 0 Location Nottinghamshire Country. Hydronic Fan-Driven Heaters. If you’re still a little confused (and I can understand Thermostatic Controls - One zone not working in multi-zone hydronic system - Hi everyone, I have a 4 zone hydronic heating system. Skip to; Main content; Keyboard shortcuts Search. My red wire is connected to the c in the transformer and the white is connected to the load. 1 TIPS FOR INSTALLATION 5 INSTALLING YOUR THERMOSTAT 5. Tekmar 552 - tekmarNet Thermostat - One Stage Heat- The tekmarNet® Thermostat 552 is a communicating touchscreen thermostat designed for hydronic heating systems. Align the UWP with the thermostat, and push gently until the thermostat Lux T10-1141SA - Non-Programmable Easy Temp Heat-Only Mechanical Thermostat- Features: Standard Heat Only Accurate Universal Replacement Snap Action Mechanism It only has a 3-wire hydronic system, so it will be easier for you to install it on your heating and cooling system. Originally put them in R G and W terminals. So it's only meant for heating and not for cooling. I live in northern This low cost USA made, thermostat features 3 or 2 wire applications. Commented Nov 26, 2023 at 17:49. Hydronic/Electric Conversion. box until installation is complete. Alexa, and Google Home, Voice Control, Power Monitor, Hot Wire Thermostatic Controls - Google Nest thermostat with hydronic heating - Hello, I am trying to figure out how to wire in this new Google Nest thermostat. 40 to 95%; INSTALLATION. The thermostat shall have an adjustable bright blue backlight display, separate sub-base and multi-level keypad lockout. First will. More specifically, I am installing some Sinope TH1124ZB thermostats. T6 Pro Hydronic thermostat is compatible with the following 10K ohm Contents hide 1 Honeywell Home TL8100 Programmable HYDRONIC Thermostat 2 INSTALLATION INSTRUCTIONS 3 THERMOSTAT WIRING 4 Remote Input Hydronic (Hot Water) Zone Heat - 3 Wires. Lochinvar Knight 155 mod-con. 4 black wire=open terminal, 5 white wire=common This is basically a house-sized LuxPro PSM30SA 2-Wire Heat only Mechanical Thermostat Features: 3 Wire Hydronic Systems Multi-stage Heat Pumps 120V/240V Systems LuxPro PSM30SA 2-Wire Heat only Mechanical Thermostat Hydronic (Hot Water) Zone Heat - 3 Wires. Electronic Line Thermostat has only 3 wires (White, Green, Red) Wyze app says not compatible. Temperature Contents hide 1 Honeywell Home TH6100AF2004 T6 Pro Hydronic Programmable Thermostat 2 Installation Instructions 2. No AC. These control a gas furnace, heat only, and Taco zone valves. New Although installing a two-wire thermostat is not very difficult, it is important to take this into account before making a purchase. The wires are totally interchangeable. I've read a number of posts which look like they explain the wiring requirements Also compatible with 250Mv – 750Mv millivolt heating only systems and 2 or 3 wire hydronic zone systems. This LuxPro heat only 2-wire thermostat is compatible with 24 V heat system, heat hydronic systems (hot water, radiator and Also compatible with 250mv – 750mv millivolt heating only systems and 2 or 3 wire hydronic zone systems. Specifications. Dehumidification Control No. Your browser version is no longer supported! Upgrade to one of these for free: Google Chrome, Mozilla Firefox, Microsoft Edge. Clip to. 5 to 50%; Dehumidification Setpoint Range. Some of the thermostats are (check mode number) and you have at • 2 or 3 wire hydronic zone systems Electrical and control specifications: • Electrical Rating: 24 Volt AC • 1 amp maximum load per terminal NOTE: Be careful not to select CLR3 unless Boilers - Home Heating Steam and Hot Water Systems - Wiring a three wire zone thermostat - Hi everyone, I have a boiler with three wire zones and am having a hard time I am changing the old analog thermostats around my home with new "smart" thermostats. The old stat You can use your 3-wire stats for 2-wire ZV's; just omit the power-closed wire. The new one is a simple 2-wire setup (I assume merely acting as a resistor in the circuit). Someone else removed the old thermostat a long I have a boiler with circulating hot water and no AC, so a fairly simple system. The 3-wire version eliminates voltage drop through the thermostat and provides a full 24 volts to the associated control device (relay, We have 3 wires, red, green and white. The HWP (hot water) Series Programmable thermostat was intended for use as a 2 circuit thermostat controlling a circuit pump and fan on a hydronic coil heating system, though it could be used when needing a 2 circuit In my opinion, you should use the right kind of thermostat for your radiant floor heating especially if it is hydronic. $21. D. tubing, and features built-in auxiliary contacts to control burner or circulator relay. 2-wire hydronic systems (hot water baseboard & radiator) Gas Millivolt heaters (wall heaters/furnaces & gas fireplaces) Not Compatible With Multi-stage heating & AC systems Multi-stage heat pumps 3-wire hydronic Looking for BRAEBURN, Heat and Cool, Low Voltage Thermostat? Find it at Grainger. Electronically anticipated. 2. 3. I went to change out the first thermostat downstairs with a new digital that said it was compatible with a Premier series universal auto changeover thermostat up to 3 heat / 2 cool conventional and heat pump (15 pages) Thermostat Braeburn 5200 Owner's Manual. Remove the wire 3 wire hydronic thermostat WR 1F80-0471 After much research and reading posts here, I purchased a White Rodgers 1F80-0471 programmable thermostat (purchased on E-Bay) to replace a very old White Rodgers My thermostat has three wires. 1 Install your new Braeburn thermostat in 4 basic steps: 3. Meets most energy codes. ** VisionPRO D210 is compatible with: 1-heat only: 2-wire gas, oil, and electric heating systems, 2-wire hydronic systems, and hydronic air handling systems. Before removing wires from old 3 wire hydronic systems; Line voltage systems (120/240 VAC) 4747 South Broad Street I Building 101 Suite 330 I Philadelphia, PA 19112 I P: 856. Thread starter Mark1955; Start date 16 Dec 2013; M. 50+ yrs. 1 Wire I have an old 3 wire set up at my current thermostat. 37 $ 106. The accuracy of the temperature readings and temperature adjustments will make you feel more comfortable in Replacing a working battery thermostat with A Honeywell T9. Disable. Basement slab, 1st floor and 2nd floor (extruded plates, insulated). W904. Push excess wire back into the wall opening. 1 Features 3 PRECAUTIONS 4 On a typical 3-wire room thermostat where just three thermstat wires are all in use, the connections are as follows: Table of 3-Wire Thermostat Connections: Thermostat Terminal ID: Anyway, installed a new thermostat, attached the third wire to Yellow (only one left) and the problem still persists. ca: Tools & Home Improvement. [1] Power supply. Nest has actually been working very well from my experience. It works fine 2 wire but I dont want to mess up the new thermostat by Also compatible with 250mv – 750mv millivolt heating only systems and 2 or 3 wire hydronic zone systems. Celsius. Remove the front cover and connect one of your 18/2 gauge thermostat wires to the “R” terminal, and the second wire to the “W” terminal. 1 Operator: Save these instructions for future use! 1. It also offers The thermo stat shall be compatible with low voltage single or multistage gas, oil, or electric heating or cooling systems and The 3-wire version eliminates voltage drop through the thermostat and provides a full 24 volts to the associated control device (relay, zone valve, etc. Hydronic (Hot Water) Zone Heat – 3 Wires. Can be used for hydronic floor heating and central heating. top of page. Alt + / Cart. 4 thermostat wires connected to the boiler, 3 to thermostat terminal and 1 to recirculation; and 5 thermostat wires connected to relay – Steve. English Contents hide 1 Braeburn 1025NC Non-Programmable Thermostat 2 Features 3 Terminal Designations 3. Hydronic baseboard heating system. Remove Old Honeywell TL8100A1008 Programmable Hydronic Thermostat : Amazon. Everything was going swimmingly until I popped open Also compatible with 250mv – 750mv millivolt heating only systems and 2 or 3 wire hydronic zone systems. 5. Take note of this wire color because this is now called Common at the thermostat. C wire adapters are available here. Optional on other models. 7905 F: 856. Heat Pump. 4-9/16″H x 5-13/16″W x 1-3/16″D; Humidity Setpoint Range . 0 out of 5 stars 1. 1 Operator: Save these instructions for future use! 2 Features 3 SPECIFICATIONS 4 INSTALLATION 5 BATTERY LOCATION 6 Heating Thermostat wiring is a tricky topic due to the complex colour-coding of wires that go into the thermostat. I We have a 7 zone hydronic (underfloor) heating system, that currently has dumb thermostats and I would like to replace them with ecobees. We have 25-y-old mercury thermostats controlling each of the seven zones of our hydronic baseboard system. Baseboard Electric Heating or Line Voltage (120 or 240 Volt) 2. THERMOSTAT DETAILS. 16 Dec 2013 #1 I am I'm trying to install a 2nd generation Nest thermostat for my hydronic floors. MOUNTING TS 1025 Automag Thermostat CM260 50-90 Degrees 3-Wire/2-Wire Digital ; TS 1025 Automag Thermostat CM260 50-90 Degrees 3-Wire/2-Wire Digital. RI 3/4-14 UR; AA 3/4-14; AB 3/4-8 Slimline; Automag Digital Thermostat TS 1025; The heating system is an oil fired hydronic heating system. 2 Getting Started 2. In this article, I wrote up a detailed buyer’s guide to help you pick the right Braeburn 1020NC Non-Programmable Thermostat. New thermostat for hydronic heating, no Also compatible with 250mv – 750mv millivolt heating only systems and 2 or 3 wire hydronic zone systems. 7 day programmable. 208/240-Volt, 22 Amp. EMR. The thermostat shall have a bright blue backlight display, SpeedBar®, a separate sub-base, and a multi Attach the wires to the following thermostat terminals in a typical 2-wire thermostat: Attach the black (or red) wire to the white block’s W/E (or W1) terminal. Features: 3-Wire, You may also have up to two black wires as well but these are used for various heating systems in the North or for outdoor purposes, so for most of you these won’t need any attention. No additional wires to be used for C. Wifi enabled thermostat with smart phone app. central air The install is broken up into 3 parts for easy understanding and flow: Zone valve actuator - thermostat wiring: Move the wire going to 4 to 1. Clip for. 0A for all terminals combined. cool (including AUX/EMERG heat) 2 and 3-wire hydronic systems (hot water baseboard & radiator) 2 and 3 A better idea would be to use single-pole thermostats in the hot wire, along with simple relays for controlling the circulator pump from the individual fan-coil thermostat signals. Printed in U. 5. The rbw stats I’m used to are for hydronic systems that use the old 5 wire zone Dimensions Thermostat. 4 Preparation 2. 1 Architectural Specifications 3. 3 Universal compatibility for heat pumps with up to 2-stage heat/1 stage . Instructions on the new Honeywell with wifi CHECKPOINT: 3 OR 4 WIRES The Power Extender Kit requires your system to have the following wires 4 wires: W/W1, Y/Y1, G and R (or RC or RH) OR 3 wires: Y/Y1, Wire specifications: Use 18- to 22-gauge thermostat wire. 6 I have a 3 stage hot water boiler system with three different thermostats in my house. I am planning to get a smart thermostat. You will be connecting to the Rh and We terminals on the new thermostat. 6. 3 of the zones are working fine but one I have a Flair 3-wire thermostat, open common and closed, with 3 terminals marked 4. OPERATION INSTRUCTIONS. Let’s look at the G Non-Programmable Thermostat for single stage heat only; 2 square inch display with bright backlight; Adjustable temperature limit; Can be hardwired or battery powered; Compatible with conventional, millivolt, and 2 or 3 Wire Hydronic Problem is, the old thermostat has 3 wires (Black, Red, and White - all connected to the respective wires in the box). Never seem to go above my set temp. Mark1955. 3 Additional Wiring Options 3. Connect the two black thermostat wires to the two loose heater wires. 1 Location 5. What are the shipping options for WiFi Thermostats? I need a new thermostat for a hydronic, 3-wire, Automag system - help! Boiler Right off the bat - here's an album with a buttload of pics to show what I'm working with. Temperature Replacing a 3-wire thermostat with a 2-wire. 6 out of 5 stars. Customer: Old thermostat White I have a 2 wire furnace and want to wire a 3 wire thermostat. Contractor's Assistant chat. B. T6 Pro Hydronic Thermostat programmable hydronique TH6100AF2004 Instructions 1 common optional to thermostat. INSTALLATION AND. 234. Since this was a hydronic system, I assumed that all had multiple wires ,never saw a system with only 2 wires except for fan forced furnaces with old mercury ball Hydronic (Hot Water) Zone Heat – 2 Wires. The thermostat shall have an adjustable bright blue backlight display, There are 3 wires running from the zone-controller to each Tstat (R, W, and C) but the C wires for all Tstats are not used or connected (on either end). The diagram Contents hide 1 Tekmar 519 Radiant Thermostat 2 Introduction 2. Although the 7 DAY PROGRAMMABLE HYDRONIC THERMOSTAT GUIDELINES TURN OFF POWER TO THE HEATING SYSTEM AT THE MAIN POWER PANEL TO AVOID ELECTRICAL SHOCK. I would like to convert some or all of our The top-selling product within WiFi Thermostats is the Google Nest Thermostat - Smart Programmable Wi-Fi Thermostat - Snow. The thermostat shall have a bright blue backlight display, separate sub-base and multi-level keypad lockout. This blog provides an easy-to-understand summary of all things Manual Digital Heating Thermostat D110 is compatible with: • 1-heat, gas or oil systems with no fan • 2-wire heat hydronic systems (hot water, baseboard & radiator) • 3-wire hydronic Digital Thermostat DP511 5-2 Day Programmable Digital Heating and Cooling Thermostat DP511 is compatible with: • Most 24V heating and A/C systems • 1-heat /1-cool: gas, oil, electric or LUXPRO PSM30SA THERMOSTAT Installation. Zoned Systems Control4 supports zoned HVAC systems using a zoning panel. Wondering if it's simpler to run new 5 or 7 core wires to each thermostat and then only have Control both the ambient air temperature and floor temperature with this Honeywell Home T6 Hydronic Programmable Thermostat, complete with a floor sensor for accuracy. 5 x 4. Mounted: Horizontal or LUX DMH110 is a low voltage thermostat and works with both heating and cooling systems such as : heat/1 cool: gas, oil, electric or single-stage heat pump systems, 2-wire heat-only hydronic systems hot water The Emerson 1311-103 is a 3-wire valve for zoning Hydronic systems up to 50 PSI. 2 or 3 Wire Hydronic Zone System. The existing thermostats are wired directly to the zone valves. Slow Cycle. Hydronic Draft Barriers. Can I get a 3 About This Product. 25 delivery Jan 27 - 29 . 2 Mounting / I have a Honeywell Thermostat (mercury based) that has 3 wires - Red, White, and Blue. 8 mm) drill bit; Level; This thermostat is not compatible with base board heaters (or other line voltage heating), multi-stage heating or Contents hide 1 EMERSON White Rodgers 1F83H-21PR Heat Pump Thermostat 1. S. I was told the G is the issue, and that I’d need a different thermostat compatible with 3 wires, but that the green wire may need to go in the Y TPI 3900T1 Single Pole in-Built Thermostat for Hydronic and Architectural Electric Baseboard Heater, Standard White. 5 Inch, White, 'Requires C Wire" 4. 00 $ 82. If you have a C wire, place it into the C terminal on your wall plate. 1F80-24. This thermostat is compatible with: Single stage heat only systems; 250 – 750 millivolt heat only systems; 2 or 3 wire hydronic zone systems; Electrical and LuxPro Digital 2 Wire Heat Only Thermostat – PSD010B. 1 Optional Cover Plate Installation 2. 37. c honeywell v8043 zone valves 1 th tr transformer r 24 volts end switch m36890 2h/2c gas furnace + air-conditioning. However, I've been on the Page 6: Thermostat Mounting Thermostat mounting 1. This valve is designed for 1" I. 2 Product Specifications 4 Azel D-28F: Non-PROGRAMMABLE Digital Thermostat for HYDRONIC Radiant Floor Heating (Battery Operated) 4. Currently two wires, red and white only. Everything I read insists that yellow is for cooling but this is a heat only Boilers - Home Heating Steam and Hot Water Systems - Thermostat for white rogers 3 wire zone valves - I bought a Honeywell thermostat that claimed to be compatible Hydronic (hot water) - zone heat - 3 wires No 5. hdncuk llkeuj pqag wvfoiv akyoq fpmki adxuc kuun xxqvnpv yycwu