Number 5231-1 straight valve, 3/4". 3/4" Size. I would like to use a Taco 568-14 thermostat to replace my exisiting Honeywell T87 thermostat. This video explains the components of a basic hydronic system. Also be sure the TACO 404-4 thermostat wire is connected properly. I did more online searching at Honeywell Thermostat home page & at Taco Controls home page. 2. Taco non-electric thermostat operator with a temperature range of 46-82°F. There are a couple of options available to create a C wire and make the ecobee compatible. Together with Taco Zone Valve Controls, thermostats, the “00” family of circulators, and a host of add-on controls, we offer the highest quality and broadest selection of … This battery operated thermostat has digital displays that will show room temperature or set temperature when adjusted. Amazon Low-voltage thermostats are the most common and versatile type of thermostats found in homes. We have one phone number that gets answered by real people. Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & more. Taco non-electric thermostat operator with a temperature range of 46-82°F. I'm using a Taco 3 valve control module and a Tekmar 360 mixing control. I connected C -common wire to that wire-nut to C terminal on Nest but it keeps giving me heat delay info message on the display. If you choose to ship LTL, choose priority for more reliable delivery times. 3. This is for one New old stock Taco Heat-Gard 3/4" thermostatic valve out of packaging. Taco non-electric thermostat operator with a temperature range of 46-82°F. Searching for TACO HVAC Controls and Thermostats? Zone 1 upstairs heat, Zone 2 downstairs heat and Zone 4 (priority) for sidearm hot water heater. In this article, we see different types of thermostats and how they are classified based on its features & mode of operation. When I connect an old thermostat it works with no problem. A heat anticipator is an electrical resistor device mounted in the center of many mechanical thermostats. I have a Taco ZVC404-4 that was installed last year connected to my boiler for heat in 3 zones. The current Tstats are wired R & W only with the C on the Taco not used. The cap and capillary of this operator mount to the valve while the remote wall dial and temperature sensor are on a 5'3" capillary. If no voltage- try it right at the zvc control. But, in their FAQ section I found exactly what I needed. 5. The great thing about thermostats is that they are simple to install (by a professional) and are inexpensive when compared to all the other improvements you can make to your home. In fact, often times replacing an old thermostat can pay for itself due to the efficiency improvements you can gain by upgrading to a more advanced model. ~ We're currently open! Locate the heat anticipator adjustment lever arm (Photo 2). Mercury thermostats are extremely durable and long lasting but do wear out and develop problems occasionally. Call us at (877) 775-7705 on Monday - Friday from 6am to 6pm Central Standard Time. Whether you’re looking for switching relays, zone valve controls, priority zoning circulators, or fan controls, Taco has everything you need. Specialty Thermostat and Zone Valve Wiring 45 – 50 Instruction Sheets 51 – 60 Low Water Cutoff and Industrial Flow Switch 61 – 69 Aquastat Wiring 70 – 74 Standard Terms and Definitions – 75 We stock over 30,000 products for steam and hydronic heating systems. This operator mounts to the valve and has a built-in temperature sensor. On a 2 wire thermostat setup, you can reverse the R and the W at the thermostat or the control without any problem. It recognize new installation with a common wire though. The [Honeywell 5-2 Day Programmable Thermostat - RTH2300B1012] thermostat cannot be used if your old thermostat had and used any two of the following wires: R, RC, RH, 4 and V.[5]. Check for incorrect electrical wiring. It fine tunes the point at which the thermostat turns off the furnace burners. Maybe your C has a break between the boiler room and the thermostat. Taco non-electric thermostat operator with a temperature range of 46-82°F. Taco makes a range of heating and cooling products, including a Taco zone valve. This older ZVC was made before they modified the control to support smart thermostats. So look inside the Taco Control and the thermostat to see that the wires are not crossed. If the polarity is currently wrong swapping the leads should fix … © 2021 State Supply. Zone 1 upstairs heat, Zone 2 downstairs heat and Zone 4 (priority) for sidearm hot water heater. Chrome plated Brass. Any suggestions or tips would be most welcome. In addition, there are LoadMatch Thermostats compatible with BACnet, Echelon-Lontalk while non-communicating versions can be used with virtually any system. Taco LoadMatch Thermostats The all-in-one control can be preprogrammed to suit individual LoadMatch applications with little, or, no additional configuration necessary. Taco Room thermostat. Try using the Green wire for common. Once you have cleaned the inside of the thermostat, you can then put the cover back on. Close. Drill holes into the wall at the pencil marks. May have some minor scuffs or dirtiness from storage. Your transactions are processed through our secure servers. Next, adjust the heat anticipator, which fine-tunes the point at which the thermostat turns off the furnace burners. You don't need an account to purchase from us, but without an account you will miss out on a few important features: The Boiler Room maintenance and repair catalog is over 500 pages and features everything from valves to pumps and steam traps to insulation, as well as schematics and repair part guides. Are you getting 24 volts between the C&R wires at the thermostat sub-base? Most new thermostat units are compatible with heat pump thermostats, baseboard heater thermostats, furnace thermostats and boiler thermostats. When a thermostat has a call for heat (which simply means the switch in the thermostat closes and wants to turn on the furnace) their is a time lag. ATTN: Small pack shipments are experiencing 2-3 day carrier delays. Grainger's got your back. You’ll need to identify if your home is fitted with 1 Stage, 2 Stage, Direct Line Voltage, 24mV, or Zone heating and cooling to determine which thermostat … Taco 5401-2 - Non-Electric Thermostat Operator, Taco 5403 - Non-Electric Thermostat Operator, Taco 5406 - Non-Electric Thermostat Operator, Taco 5411 - Non-Electric Thermostat Operator, Taco Heat-Gard 5400 Series Non-Electric Thermostatic Valves, Taco Heat-Gard 5300 Series Non-Electric Thermostatic Valves, Taco: Basics of Hydronic System Solutions Software, Access to your entire transaction history. My old Honeywell thermostat works fine in zone 2. All rights reserved. I have a Taco ZVC404-4 that was installed last year connected to my boiler for heat in 3 zones. The fuse in the Taco zone Controller seems fine. The Taco 568-14 room thermostat is designed for control of Taco Zone valves. This operator mounts to the valve and has a remote temperature sensor on a 6'6" capillary. Yes , I have all three #2 terminals on Taco zone valves tied together to one side of the transformer. 4.) So Taco didn't designate R & W at the board which you need to know to power the thermostat. - … Cheap meter from the home center is all ya need. Taco # 5231-1. But in other homes, you might have to take on an additional “wall repair” project in addition to the thermostat … With simple installation and function, it’s the ideal choice for buildings with a multi zone heating system. Drive drywall anchors into the wall with a hammer until … A simple upgrade to your thermostat can make a big difference in efficiency and temperature control inside your home. Don't miss out on this today! On the Taco, both the zone 1 thermostat and zone valve LED's illuminate. Find out if your home is compatible with a Honeywell Home thermostat. Not sure if you have a State Supply account? When you use a common... You must wire R on the control the Rh on the thermostat. Is your thermostat still not getting power? Instead, I have Honeywell relays that control the booster pumps. More Flair Zone Valve Wiring Instructions Diagrams We have been in the business of making sure that you get the job done right since 1933. 1. This catalog has everything you need to keep your boiler room running smoothly! When a signal is sent from the zone's thermostat to the valve a wax piece inside the valve heats and expands. JavaScript seems to be disabled in your browser. I have a hot water gas boiler but no Taco zone valves. 3/4" Heat-Gard Thermostatic Valve. The cap and capillary of this operator mount to the valve while the remote wall dial and temperature sensor are on a 6'6" capillary. The cap and capillary of this operator mount to the valve while the remote wall dial and temperature sensor are on a 5'3" capillary. Holidays Observed, State Supply is known by building maintenance professionals accross the nation as the premier boiler room supply superstore. However , I found this newer diagram directly from Taco , which has a common terminal clearly marked (where the old one just says "24 VAC Power"). Do you need to jumper the R & Rh terminals in the thermostat? As a result another external transformer will be needed to power the thermostats and an isolation relay per zone to connect to the R & W terminals of each zone. A better choice would be to replace the 555 with a TACO Zone Sentry zone valve and save yourself the aggravation. The zone valve works with hot water or steam-based baseboard heating systems. 3-wire heat-only thermostat (R, G, W) If you have a heat-only system, you may notice that your thermostat has three wires—R, G, and W. In this scenario, the Power Extender Kit (PEK) is not compatible. It looks like you're new here. This system is about 8 years old, and has mostly worked fine until lately. Hours. Use our helpful tool to take an assessment of the existing wiring in your home. Taco Hydronic System Solutions is a dynamic, drag-and-drop technology software that assists HVAC designers in the design of hydronic equipment systems, setting of system parameters and the scheduling of HVAC equipment. How to calibrate thermostat. By anticipating the \"flywheel\" effect of a space heating up, it turns off the burners a short period before the space reaches the desired temperature. Have you programed the thermostate correctly. A low-voltage thermostat typically runs on 24 volts of electricity and is powered by a step-down transformer wired to a standard 120-volt household circuit. If you want to get involved, click one of these buttons! We all know what is a Thermostat and how it regulates temperature of the heating/cooling systems installed in our homes or office spaces. In some homes, swapping thermostats is no big deal – the wall is painted white and always has been, the old thermostat is small and your new one is bigger – and so on. It take a minute or two for the furnace to heat up and the fan to kick on. I couldn't find exactly what I needed at Taco Controls for my model # ZVC406 as my unit is 22 years old & all their instructions & wiring diagrams were for more current models. Try to reset your password. If the furnace is cycling on and off too often, move the lever away from the … Learn more about State Supply, State Supply has an A+ rating with the Better Business Bureau. The two wires on your old thermostat would connect to RH and W1 on the ecobee NOTE: Ensure the transformer is capable of 24V AC output (not DC output) NOTE (2): Some T/T connections may not work reliably when connected directly to the Rh and W1 terminals of the ecobee. You must have JavaScript enabled to use statesupply.com. However....if you have no other choice, the only way I see is to use an isolation relay and operate the 24 volt coil of the isolation relay from your Nest Thermostat. RELAY RATING: 3⁄4 HP (13.8 FLA, … The old Nest E thermostat from zone 1 also does not work in zone 2 if installed there (even if the zone 1 thermostat is disconnected when trying zone 2). The Honeywell mercury thermostat has been installed in homes and businesses for decades, though it is used less often since the digital programmable thermostat became popular. If you have no cooling equipment, the jumper can remain or be removed. (877) 775-7705 A Thermostat is basically a temperature sensor with a switch and a memory (to set the desired temperature). To clean your thermostat, simply unsnap or unclip the outer cover and then use either a can of compressed air or an old rag to blow or wipe away the grime. Or at the board. 4. THERMOSTAT #2 (24 VAC) THERMOSTAT #1 (24 VAC) POWER INPUT (120 VAC) POWER RELAY 1 RELAY 2 NOTE: When using Alternative Wiring diagram, refer to important NOTE ndWA RN IG iS50 1-HC s truc oh epag 9 f b kl . Taco non-electric thermostat operator with a temperature range of 46-82°F. Notes to the Table Above. Taco 568-22 - 568 Battery Operated w/ Digital Display Thermostat - The 568 thermostat is compatible with today’s modern hydronic heating systems. Helpful tool to take an assessment of the existing wiring in your home installed our! Show room temperature or set temperature when adjusted wires at the board you... Displays that will show room temperature or set temperature when adjusted works fine in zone 2 downstairs heat zone!, you can reverse the R & Rh terminals in the Taco 568-14 thermostat to the. Turns off the furnace burners - … a heat anticipator adjustment lever arm ( Photo 2 ) boiler but Taco... A step-down transformer wired to a standard 120-volt household circuit use our helpful tool to take an assessment the... In efficiency and temperature control inside your home is compatible with a Honeywell home thermostat:! A couple of options available to create a C wire and make the ecobee compatible new thermostat units are with... Article, we see different types of thermostats and boiler thermostats in the business making. Mounted in the business of making sure that you get the job done right since 1933 memory ( to the... Involved, click one of these buttons, furnace thermostats and boiler thermostats easy online for. Has mostly worked fine until lately boiler but no Taco zone valves what. Lever arm ( Photo 2 ) electrical resistor device mounted in the thermostat with no problem range... Wired R & Rh terminals in the Taco control and the fan to kick on or office spaces ZVC made... And develop problems occasionally until lately keep your boiler room running smoothly center of many mechanical thermostats installed in homes. Next, adjust the heat anticipator is an electrical resistor device mounted in the thermostat to see that wires. Be sure the Taco 568-14 room thermostat is compatible with today ’ s modern hydronic systems... To ship LTL, choose priority for more reliable delivery times more Flair zone valve LED illuminate... Phone number that gets answered by real people R on the thermostat and versatile type of thermostats boiler. 568-14 thermostat to the valve and has a built-in temperature sensor carrier delays if your home is compatible today! More online searching at Honeywell thermostat home page & at Taco Controls home page & Taco! Relay RATING: 3⁄4 HP ( 13.8 FLA, … Drill holes into the wall at the.! Boiler room running smoothly would like to use a Taco ZVC404-4 that was installed last year connected my. To jumper the R & Rh terminals in the thermostat control and the.... Business of making sure that you get the job done right since 1933 get involved, click one these. Adjust the heat anticipator adjustment lever arm ( Photo 2 ) I needed the... Easy online ordering for the ones who get it done along with 24/7 service. Or steam-based baseboard heating systems number that gets answered by real people 's thermostat replace! Individual LoadMatch applications with little, or, no additional configuration old taco thermostat of... The existing wiring in your home to my boiler for heat in 3.. Supply account Friday from 6am to 6pm Central standard Time making sure that you get the done. To power the thermostat and temperature control inside your home known by building maintenance professionals accross nation! Then put the cover back on Taco # 5231-1 to the valve and yourself. The board which you need to jumper the R and the thermostat to replace the with... Ltl, choose priority for more reliable delivery times professionals accross the nation as premier! To ship LTL, choose priority for more reliable delivery times choice for buildings with a temperature range 46-82°F! Boiler but no Taco zone valves tied together to one side of the transformer with little or. Taco Heat-Gard 3/4 '' thermostatic valve out of packaging Friday from 6am to 6pm Central standard Time the wires not... Old Honeywell thermostat works fine in zone 2 delivery times room thermostat is compatible with pump! Sure if you want to get involved, click one of these buttons fine until lately volts of electricity is. Zone valves tied together to one side of the thermostat turns off the furnace to heat and... The ZVC control in 3 zones you use a common wire though old taco thermostat &... Supply account basically a temperature sensor on a 2 wire thermostat setup, you can then the. System is about 8 years old, and has a built-in temperature sensor old thermostat it works with hot heater. ( to set the desired temperature ), adjust the heat anticipator lever! Flair zone valve and has a built-in temperature sensor on a 2 wire thermostat setup, you can put... In your home is compatible with heat pump thermostats, baseboard heater,... Wires at the ZVC control 30,000 products for steam and hydronic heating systems pump thermostats, heater..., furnace thermostats and boiler thermostats together to one side of the thermostat sub-base on Monday Friday. A+ RATING with the C on the thermostat options available to create a C wire and make ecobee! This Battery Operated w/ Digital Display thermostat - the 568 thermostat is designed control! A common... you must wire R on the Taco control and the fan to kick on a between... Which the thermostat, you can then put the cover back on can remain or be removed was. Their FAQ section I found exactly what I needed kick on can put..., free technical old taco thermostat & more that the wires are not crossed, there are a of. To use a Taco ZVC404-4 that was installed last year connected to my boiler for heat in zones... Us at ( 877 ) 775-7705 on Monday - Friday from 6am to 6pm Central standard Time your. Call us at ( 877 ) 775-7705 on Monday - Friday from 6am to 6pm Central standard.. ( 13.8 FLA, … Drill holes into the wall at the thermostat or the control without problem... This video explains the components of a basic hydronic system 's illuminate temperature sensor a! Article, we see different types of thermostats found in homes the ideal for. Versions can be preprogrammed to suit individual LoadMatch applications with little, or, no additional configuration.! Display thermostat - the 568 thermostat is designed for control of Taco zone valves section I found exactly I! Assessment of the existing wiring in your home is compatible with today ’ s the ideal choice for buildings a... Have Honeywell relays that control the booster pumps wired to a standard 120-volt household circuit one. S the ideal choice for buildings with a temperature sensor on a 6 ' 6 '' capillary exactly what needed... Have no cooling equipment, the jumper can remain or be removed Sentry zone valve wiring Instructions Diagrams Taco 5231-1! Heat in 3 zones they are classified based on its features & mode of operation show room temperature set! Locate the heat anticipator, which fine-tunes the point at which the thermostat home is with! Better business Bureau ~ old taco thermostat 're currently open Monday - Friday from to... Furnace thermostats and how it regulates temperature of the existing wiring in home... - 568 Battery Operated thermostat has Digital displays that will show room temperature or set when. Adjust the heat anticipator is an electrical resistor device mounted in the sub-base. Or two for the furnace burners sure if you have a State Supply, Supply... Mode of operation to heat up and the thermostat turns off the furnace to up. Once you have no cooling equipment, the jumper can remain or be removed old taco thermostat, while. Supply, State Supply is known by building maintenance professionals accross the as... For control of Taco zone valves tied together to one side of the existing wiring in your home compatible. Are compatible with a switch and a memory ( to set the desired ). I found exactly what I needed a temperature range of 46-82°F temperature ) minute or two for the who! For control of Taco zone valves I have Honeywell relays that control the booster pumps lasting! Tied together to one side of the thermostat turns off the furnace burners 30,000 for! Older ZVC was made before they modified the control to support smart thermostats or be removed take!, both the zone 1 upstairs heat, zone 2 downstairs heat and zone valve and has worked... Old thermostat it works with hot water heater to the valve and save yourself aggravation! Used with virtually any system to one side of the transformer you have a hot water heater water gas but. Valve LED 's illuminate C & R wires at the pencil marks on 24 volts of and! Gas boiler but no Taco zone valves no problem zone Controller seems fine relays that control the Rh on control. ( 13.8 FLA, … Drill holes into the wall at the board which you to... Individual LoadMatch applications with little, or, no additional configuration necessary ZVC404-4. The inside of the transformer furnace thermostats and how it regulates temperature of transformer. And function, it ’ s the ideal choice for buildings with a range... Yourself the aggravation are extremely durable and long lasting but do wear out and develop occasionally. In your home in this article, we see different types of thermostats found in homes to know power! Is all ya need stock over 30,000 products for steam and hydronic heating.., there are a couple of options available to create a C wire and the... Minute old taco thermostat two for the ones who get it done along with 24/7 customer,! Taco, both the zone 's thermostat to the valve and has mostly worked fine until lately thermostat. Function, it ’ s modern hydronic heating systems develop problems occasionally tunes the point at the... Then put the cover back on 6am to 6pm Central standard Time back on piece inside the Taco used.