Question about Taco 1/2" 006 BC4-TAC Circulator Pump/ Timer /Aquastat

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We have a taco timer aquastat that's pretty hot to the touch; and were not getting hot water to the house. Does it need replacing?

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Hi,
The pump has air in it and you need to purge out the air..

Here is a tip that I wrote about heating circulator pump problems.
It will give you the information you need to learn about your circulator pump problems and solutions for it.


Heating Circulating Water Pump Problems



heatman101

Posted on Dec 24, 2010

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Posted on Jan 02, 2017

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1 Answer

Hot water is not staying hot


Is the control that operates the pump located in the storage tank? If so the pump not be pumping. A few factors might be needed to solve the issue.

Dec 18, 2013 | Taco 006-B4 1/40 HP Bronze Circulator Pump

Tip

Boiler Aquastat - How to set it


It is the coldest day of the year and your boiler is chugging along. However you notice that your house is slowly cooling off even though the boiler is running. Then you notice that the boiler is shutting down even though your house is not up to the thermostat temperature setting.

You look into the situation farther and notice that you boiler temperature is below say 180F. What is shutting the boiler off? The device that controls the temperature of your boiler is called an aquastat. This device senses the temperature of the water in your boiler, and then fires the burners to keep the water at the temperature call for by the aquastat.

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The other role that this device may play is to keep the boiler from getting too hot and making steam. However for this time we will concentrate on the lower side and the heat of the water. If you have a house that has barely enough baseboard or radiators for that really cold day then you need your water to be very hot or around 200F. This will give the water enough BTU's to carry around the piping to give off to keep your house warm. The downside is that it also makes your boiler less efficient when it needs to heat the water this hot.

So, now you know that if you need more heat you can turn the aquastat up higher to get more heat and turn it lower on the milder days to save energy. Another way to do this is to buy and install a smart control that will do that automatically for you. These are called an outdoor reset control and will vary your boiler temperature according to the outdoor temperature, saving you money and keeping you warm all at the same time.

Now, the one thing you need to know yet. The aquastat is usually a gray box with a screw driver slot in a little wheel that has numbers on it. It is often hidden pretty well and may take some looking to find it. Some of the newer boilers may have a digital one that is in a bigger gray box. Read the instructions to learn to change the temperatures.

Setting your aquastat correctly can save a lot of money and it can be the difference between keeping you warm or not.

on Dec 08, 2009 | Heating & Cooling

1 Answer

Taco Pump always on


Hello Melville,

That is a VERY NICE FEATURE designed to
give you INSTANT HOT WATER every-time
you use the faucet...

If it is done well it DOES NOT sound like the water
is running all the time... (big if).

The really wonderful part... HERE in CALIFORNIA
where WE have INFRASTRUCTURE to support
15 MILLION ... and we approximate 40 MILLION thirsty
residents... It is NICE to know A FEW responsible people
like you ARE NOT WASTING Gallons of water at EACH USAGE...
waiting for the water to get warm.

You ALREADY have instant warm water at your finger-tips because of your circulating pump.

On internet
https://www.bing.com/search?q=taco+1%2F2%22+006+bc4-tac&form=EDGEAR&qs=PF&cvid=dc68132e9d6a4f30a8cda2c9fd0f3617&pq=taco+1%2F2%22+006+bc4-tac&cc=US&setlang=en-US&PC=DCTE

Amazon com taco 006

Best price: 3/4 inch TACO
Taco 006 B4 Bronze Circulator Pump 3 4 Inch Sweat Portable Power Water...

Carnac the Magnificent

Mar 30, 2017 | Taco 1/2" 006 BC4-TAC Circulator Pump/...

1 Answer

First My sister inlaw has a 3/4 recirc line. used the by pass h&c under last faucet to use cold as recircu line. Note acutal 3/4recirc is in kitchen but even thou closer to water htr. it is last for...


I don't understand everything being asked, so add a comment any time.

Problem1 is excessive electric bill.
Suspect is new 120Volt Taco recirculation pump.
Look at motor nameplate for amps and watts and HP. Taco pump is usually robust 1/3 HP which is 252 watts or same as running four 60 watt light bulbs.
If pump runs 18 hours per day x 252 watts = 4536 watts or 4.5 Kilowatts per day
Buy a kill-o-watt meter that plugs into outlet, and plug Taco pump into the meter for 48 hours.
This will give you total watts used for that time period.
1000 watts = 1 kilowatt.
Electric bill is probably 12 to 20 cents per kilowatt.
So if Taco uses 4.5 kilowatts per day, that is $.54 to $.90 per day multiplied by 30 days.
So cost is $15 to $30 per month.

Problem2 is Taco runs too long.
Taco operates either by thermostat or by timer. You choose which mode by using slide switch that is usually located under the timer dial. Set switch to TIMER to use timer, and ON to use thermostat, and off to turn TACO off.
If Taco is set for thermostatic operation, the Taco might be defective. Or there could be crossover problem at single handled faucet.
Another problem could be air in the water line: install air vent.
http://waterheatertimer.org/Crossover.html
http://waterheatertimer.org/Water-heater-recirculation-system.html
http://waterheatertimer.org/How-to-set-timers.html

Jul 17, 2011 | Taco 1/2" 006 BC4-TAC Circulator Pump/...

1 Answer

I cannot figure out why my hot water no longer gets hot. I unplugged my timer 3 years ago and never had a problem. Now, no hot water unless timer is on and circulating.


Best solution is to remove the circulation-system crossover located under sink and see if problem is solved.
After removing crossover piece, try hot water tap.
Another way to check if this is the problem: Turn off cold water shut-off located above water heater. No need to turn off power or gas to water heater. Now, no water should flow when you turn on hot water tap because hot is turned off.
Open hot water side of double handled faucet. If water still comes out the hot side, then crossover is the problem.

After removing Taco crossover, you can still have the problem if a single handled faucet has the same type of crossover issue.
Repeat test to see if water comes out of hot side when water to water heater is shut off.
If water still comes out of hot side, then put ear against each single handled faucet and see which one has sound of moving water. That will narrow down the suspects.

Mar 27, 2011 | Taco 1/2" 006 BC4-TAC Circulator Pump/...

1 Answer

I have taco 671-2 aquastiat and water going out from there what i can do


Going out from what?
Is the Taco pump leaking?
Or pipe connected to taco?
Or is the water heater leaking?

1) If this is emergency, turn off water and call plumber.
http://waterheatertimer.org/Emergency-steps-for-leaking-water-heater.html

2) If water heater is leaking:
http://waterheatertimer.org/Water-heater-leaking.html

3) If pump is leaking, then pump needs to be replaced.
http://waterheatertimer.org/Water-heater-recirculation-system.html

4) If pipe going into pump is leaking, then it needs to be taken apart and fixed.

5) Add a photo to this post so I can see problem.
After that, I can give best direction to go.
http://www.fixya.com/support/r6568559-post_photograph_fixya_questions_answers

Add a comment for more free help.
Also take advantage of fixya expert assistance live.
For a price, expert works with you via e-mail while you work on Taco or any do-it-yourself project.
Fixya is always less expensive than a service call.

Feb 19, 2011 | Taco 1/2" 006 BC4-TAC Circulator Pump/...

1 Answer

No water is coming out of faucets and all i did was accidentally turn it a little bit what should i do?


Ok I see your re-post.
If I understand correctly, no water is coming out of any faucet.

No cold water and no hot water.

1) First of all, cold water side of water system is totally unaffected by recirculation pump or timer on recirculation pump. Faucets are connected directly to cold water line that enters house from outside, and that line does not come in contact with recirculation pump.
2) If you have no cold water, check with neighbors to see if they have water.
3) Next, go outside and check ALL outdoor spigots and see if water comes out.
4) Is it possible that you have a frozen water pipe?

Do some checking and then repost another question.
I will be here until you get it fixed.

Add a comment also to directly contact me.

Feb 14, 2011 | Taco 1/2" 006 BC4-TAC Circulator Pump/...

1 Answer

My Taco 006 circulation pump quit working. It make a vibrating noise and does not pump. I just bought it a year ago. Can you help.?


Usually when these motors slow down, they get hot and burn out.
You can try taking it off and cleaning with CLR, but normally when they stop working, they do not revive.
I am not sure what the warranty policy is from Taco, or if Taco has a parts list.

I think following link takes you to the Taco website:
You can contact them for warranty/parts information
http://www.taco-hvac.com/en/products/Hot-Link%AE%20Domestic%20Hot%20Water%20Recirculation%20System/products.html?current_category=398

Link below has information on recirculation systems with links to manuals and competitive products
http://waterheatertimer.org/Water-heater-recirculation-system.html

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on pump/timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

Jan 10, 2011 | Taco 1/2" 006 BC4-TAC Circulator Pump/...

1 Answer

How often do we have to change our cartridge in our Taco 003 BC4 PNP?


Hi,

You only need to change it out if the pump quits working..

heatman101

Nov 16, 2010 | Taco 1/2" 006 BC4-TAC Circulator Pump/...

1 Answer

The taco cartridge circulator #006-BC4 was working fine. Then there was a brief power outage, now it is hot to the touch, and circulates hot water to one part of the house, but not to the other 2/3's of...


Hi,

Here is a tip that I wrote about heating circulator pump problems.
It will give you the information you need to learn about your circulator pump problems and solutions for it.


Heating Circulating Water Pump Problems



heatman101


//

Nov 06, 2010 | Taco 1/2" 006 BC4-TAC Circulator Pump/...

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