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Cleaning steam drain valve

zepfan
zepfan Member Posts: 312
Looking for the best way, and what chemical to use if there is one, to clean a steam drain valve on a steam humidifier. The drain valve is a Honeywell zone valve, made of brass. The deposits from the production of steam get into the valve and prevent it from closing all the way. Based on the close location of these drain valves, it would be easier to clean ,then replace the entire valve. Thanks to all

Comments

  • ethicalpaul
    ethicalpaul Member Posts: 2,956
    I would think a mild acid like vinegar might be involved. Was there no mention of cleaning or maintenance in the manual? May I ask the manufacturer and model?
    1 pipe Peerless 63-03L in Cedar Grove, NJ, coal > oil > NG
  • Big Ed_4
    Big Ed_4 Member Posts: 1,684
    Can you pull the cover off the zone valve ? if you can two screws pulls the power head off then four hex nuts removes the workings that could be replaced leaving the body in place ...
    I have enough experience to know , that I dont know it all
  • zepfan
    zepfan Member Posts: 312
    Thanks for the responses. The humidifier is a dri steam, with fan pack. I could not find any mention of maintenance of the drain valve only cleaning of the tank. That is what I was planning on doing is replace the powerhead on each valve, but was looking for the best way to clean the valve body that would remain in place. Even with a new powerhead I think there may still be too much build up in the body of the valve for a new powerhead to seat properly. Thanks again
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