Model # 555-050RP

Internet #202270182

Store SKU #748474

Store SO SKU #1000677054

Taco Power Head
0687752024708

Taco

Power Head

$99.97 /each

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Product Overview

The Taco zone-valve is an electricity operated valve used for zone control of hydronic heating and/or cooling systems. It controls the flow of water in a room or zone in response to the demands of the room or zone thermostat. This valve is a precisely made device and must be installed with care.

  • Valves should be installed vertically
  • 24-Volts
  • Temperature range 240 F maximum 40 F minimum
  • 125 psi
  • Note: product may vary by store

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Customer Questions & Answers

Power Head
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2 answers

Will this work for a 555-102 power head

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January 28, 2016
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Asked by
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April 7, 2016
Answer: 
Yes, this is the proper replacement.
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Asked by
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January 29, 2016
Answer: 
I am sorry but no such number is in my Taco parts book. You are welcome to give me a call and tell me the model number of the valve and I can research it. Chris 978 651 3301
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What does the operating lever control ?

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elkins pk Pa
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January 7, 2016
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Asked by
Hamden, CT
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Home Improvement Profile: Professional
March 15, 2016
Answer: 
It is a manual over ride such that you can open the actual valve without having an electrical signal to the device. If you manually open the valve it will have the heat on (vlave open) unregulated. If you want the valve to work as a regulated valve again you will have to close the manual valve.
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January 11, 2016
Answer: 
The operating lever allows you to manually open the valve. This valve utilizes a heat motor which can take a good 5 minutes to open and close. This lever allows you to quickly open the valve so that you can purge the zone.
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On the heater zone's are heads I have two zones my question is how can you tell if the zone head is no longer works auto

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October 27, 2016
But will get heat open is this how one would know or is it the thermostat how do one know
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October 28, 2016
Answer: 
This is a little tricky and takes a little bit of experience, patience along with a touch of Macgyver. Heat Motor zone valves take a few minutes to open and a few minutes to close. As electricity moves at the speed of light, people expect them to respond instantaneously but they don't. It takes time for the 24 volts to heat up and expand the paraffin so that it opens. Then the end switch turns on the Read More
This is a little tricky and takes a little bit of experience, patience along with a touch of Macgyver. Heat Motor zone valves take a few minutes to open and a few minutes to close. As electricity moves at the speed of light, people expect them to respond instantaneously but they don't. It takes time for the 24 volts to heat up and expand the paraffin so that it opens. Then the end switch turns on the pump. So the simple way is to start by feeling the pipes and confirming they are cool. Then create heat call. Wait five minutes and see if the pipe on the fare side of the valve is warm. If not try it with the other zone. If one of them does appear to open and one does not switch the power heads and see if that works. Now you know one is dead and one is not. If neither work. You then need to confirm that the external transformer is working and that the pump is coming on. I can keep going on but at this point it you need further help give me a call. Chris 978 651 3301 Read Less
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Could this be used to replace 5101-g2

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April 9, 2016
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April 11, 2016
Answer: 
No it can not. I was always curious about this too because they look so similar but are different in price. So I called a Taco engineer to ask about this a few years ago. The 5101-g2 and the other versions for geothermal applications have different ratings. Those systems have higher working pressure, temperature and flow rate. The valves and heat motors are different to meet this need. The power heads Read More
No it can not. I was always curious about this too because they look so similar but are different in price. So I called a Taco engineer to ask about this a few years ago. The 5101-g2 and the other versions for geothermal applications have different ratings. Those systems have higher working pressure, temperature and flow rate. The valves and heat motors are different to meet this need. The power heads for hyrdonic systems work at a much lower pressure temperature and flow rate. They are not interchangeable. Chris 978 651 3301 Read Less
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Customer Reviews

Power Head is rated 4.7 out of 5 by 8.
Rated 5 out of 5 by from After 20 years of service, one of my Taco zone valves failed. I went to my local Home Depot and ... After 20 years of service, one of my Taco zone valves failed. I went to my local Home Depot and picked up a new Taco zone valve. Ten minute total job and the zone is back to normal.
Date published: 2016-11-16
Rated 4 out of 5 by from Good product, good service and fast delivery. Thanks Good product, good service and fast delivery. Thanks
Date published: 2016-11-24
Rated 5 out of 5 by from Power head replacement Easy to diy. Shoot down furnace and in less than 10 minutes problem solved
Date published: 2016-01-20
Rated 5 out of 5 by from Taco Powerhead My heat was not working, so my first step was to replace the thermostat, It then worked for about a week intermittently. Sometimes it would turn on then sometimes not. Not a good situation for the New England winter. The next thing, I replace was the was the Taco Valve on the zone that was not working, It was as simple as putting a few low voltage wires on, and twisting off the old Taco Valve, and twisting on the new one. Heat work great now.
Date published: 2016-02-10
Rated 4 out of 5 by from Taco Power Head, Zone valve regulator the Taco head is a basic standard of the industry valve to regulate heat in a building by zones. It is easy to replace and reliable. In my case this was a straight up remove and replace, straight up same make and model. It was not especially cheap and seemed a bit on the expensive side and Home Depot is very convenient, saved me a trip across town to an actual plumbing/heating supply house.
Date published: 2016-03-15
Rated 5 out of 5 by from Exellent product I've bought this product before. Very good quality.
Date published: 2016-03-09
Rated 5 out of 5 by from Brining on the Heat Fixed one of our heating zones. Perfect fit and easily installed.
Date published: 2015-03-24
Rated 4 out of 5 by from TACO takes the cake Works as advertised and installed easily. Now let's see how long it lasts.
Date published: 2015-04-14
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