Air Separator


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Old 02-24-21, 05:17 PM
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Air Separator

I have installed TACO 4900 Air Separator 1-1/4" in 2016. The unit is now leaking. I have contacted TACO and was told to replace the unit. The unit is expensive, over $125. I'm looking for a alternative unit. Please suggest a better air separator/air eliminator for heating system.
 
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Old 02-26-21, 04:30 PM
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Old 02-26-21, 07:00 PM
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Venting at boiler/basement level is old time plumber, wishfull thinking. Air scoops, separators, spirovents and whatever around boiler do not remove air from system high points.

The most effective way to vent is placing, good reliable auto vents at highest point of each zone in system. Have not manually vented my 8 zones in years. No leaks, keep $8.70 spare.

Watts auto vents at $8.70 are very effective, reliable, can be opened fo servicing.

https://s3.amazonaws.com/s3.supplyho..._PROD_FILE.pdf

https://www.supplyhouse.com/Watts-05...Vent-3679000-p
 
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Old 02-27-21, 10:53 AM
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a,
This may help with your problem and staying on point.

https://www.supplyhouse.com/Taco-49-1RP-4900-Series-Air-Separator-Replacement-Head?gclid=Cj0KCQiA-OeBBhDiARIsADyBcE7uEfVgp5OY_tSSjKOgaVoMuXTh04JoCZgbth4YtMKkllJ1JvImGxIaAquSEALw_wcB

Hope this helps a little.
 
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Old 02-27-21, 01:02 PM
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atiqul: Please suggest a better air separator/air eliminator for heating system.
Isn't the “point” seeking a better air eliminator?

One poster suggested $89 replacement head at current vent location.

Another poster, staying on point, suggested $8.70 auto vent a better and at effective venting location.

DH tries to learn from experience, improve setup and uses better, more cost effective solution.

Reader's choice.
 

Last edited by doughess; 02-27-21 at 03:36 PM.
  #6  
Old 02-28-21, 08:46 AM
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I have never used many of the Taco 4900 air separators but have not had issues with any of them. I usually used Spirovent or Honeywell, not saying either are any better than others. Depending where it is leaking could be more an issue of water quality, excessive water addition or dirt than the manufactured part.
 
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Old 02-28-21, 10:49 AM
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This is classic DIY where some posts about fixing or replacing old part are more expensive and less effective than using a lower cost modern item.

Also example of where old technology product add new problems. Fixing problems with old Taco, Spirovent or Honeywell may be cost 10 times more than a better $8.70 modern solution.

Venting air is a simple thing that can be made into very complex procedures.

Rather than just fixing something, also improve system with lower cost fix.
 
 

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