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Taco circulator pump making high pitched whining sound

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Posted on Jan 02, 2017

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SOURCE: taco pump noisy whine

Take apart and clean with white vinegar.
This will remove scale and build up causing noise in line.

Posted on Nov 27, 2012


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Taco 007 circulating pump stays on even though boiler shuts down

Don't know your specific unit, but in general, heating systems are two-stage devices:

1: Its too cold: the motorised HW/CH valve moved to the required position, and on achieving it, the circulaion pump starts and the boiler is enabled. (The circ pump may start immediately - its not usually important.) The hot water from the boiler circulates through the heat exchanger and/or radiators until the thermostat thinks its target is warm enough, whereupon it disables the boiler, stops the pump and closes/relaxes the valve(s).

2: The boiler is off while disabled. When enabled, it heats the circulating water to a 'high' temperature and seeks to keep it there. If it reaches that temperature, the boiler will cycle on and off as necessary to maintain the set 'high' temperature. (The circulation pump must run all the time the boiler is enabled.) This may be what you're noticing. Additionally, some boilers will run the circulation pump for a little while after being disabled to reduce the temperature if the water in the pipes and boiler.

Your question doesn't say how the pump running corresponds to thee thermostat settings, but if it were stuck on, I think you'd know!

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Taco circulator

Is this for a hot water system? If it is, u might have air in the system.

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Check to see if the motor is working first and u have power to it. If it's running u might need an impellar or u have air in system. Make sure all valves are open in line.

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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.

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1 Answer

Taco pump noisy whine

Take apart and clean with white vinegar.
This will remove scale and build up causing noise in line.

Nov 27, 2012 | Taco 007-F5 Outdoor Wood Furnace...

2 Answers

I have a tankless Rheem water heater which has begun making noise when the temperature is turned up high, say 135 or 140. It's not a consistent noise. Sometimes it's a somewhat high pitched whine, much...

This sounds like a problem with impurity buildup on the coils. About once a year, More often in high mineral content water, you should clean your heater user a a cleaner that removes lime and mineral deposits. This is usuall called a descaler cleaner.
Hope this helps

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Amtrol Boilermate makes whining noise

I had also this problem before, same with buzzing sounds on my Amtrol Boilermate and all I had to do was to call the local dealer and they have got it fixed.

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3rd yaco 006 in 3 years hot h20to hot

Taco circ. should be bronze in color for domestic applications. If it is green, it's wrong. Average temp for hot water should be 120 degrees. Overheating of circulator may be the cause of premature failure.

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