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Calci-Free Tankless Water Heater Flush Kit

$28529
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  • Compatible with Navien tankless water heaters
  • Eliminates contaminants that build-up on the heat exchanger tubes
  • Features elevated pump strainer for convenience
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Product Overview

A complete cleaning system to clean and restore efficiency to tankless water heaters. All the equipment necessary to pump and circulate the Calci-Free flushing solution through tankless water heaters to eliminate lime scale and other contaminants which can build up on the walls of heat exchanger tubes over time. And block the flow of water.
  • Heavy duty utility pump (submersible) with 3/4 in. GHT connection
  • 7 ft. feeder hose with swivel fittings
  • 7 ft. discharge hose
  • Elevated pump strainer
  • 1.2 lbs. Calci-Free approved for use with Navien tankless water heaters

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Customer Reviews

  • 4.2
    out of 37 reviews
  • 78%recommend this product
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Showing 1-10 of 37 reviews
Simple, easy to use kit. Mix the solution, hook up the hoses, run the pump 20 mins, flush the lin...
Simple, easy to use kit. Mix the solution, hook up the hoses, run the pump 20 mins, flush the line and done! I will add that your inlet/outlet lines from the coil/heater must have a valve or hose bib hooked up to accept the hoses. In our "new" house, we have a well, and apparently hard water. Being on city water in our last house, I was not familiar with the issues of scale, sediment, water quality of a well water system. Now I know! We had virtually NO hot water at all, used this kit and now have good pressure and hot water! There was so much scale in the bucket when I was done, I was shocked! I am now looking into filtering/softener systems to put in. Sorry I didn't get a pic of it with the nasty water while it was working.
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    • Recommended
    1 found this review helpful
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      Has everything you need to flush the system. Easy to...
      Has everything you need to flush the system. Easy to do and instructions included to keep you on track.
      by
      • Verified Purchase
      by
      • Verified Purchase
      The hoses didn’t work great. Overall great product....
      The hoses didn’t work great. Overall great product.
      by
      • Verified Purchase
      The pump did not work it was defeated...
      The pump did not work it was defeated
      by
      • Verified Purchase
      Rating provided by a verified purchaser...
      Rating provided by a verified purchaser
      by
      • Verified Purchase
      What caught my eye is that this is a complete kit, including flushing chemicals. However, it prov...
      What caught my eye is that this is a complete kit, including flushing chemicals. However, it proved to be a bit pricey compared to piecemealing a flush kit together. Notably it was easy to use and by the appearance of the dirty fluid in the bucket, the chemical flush appeared to have done a good job. In summary it seemed to do a good job of flushing my tankless water heater, but its somewhat expensive.
      by
      • Verified Purchase
      As advertised. Easy setup, good pump, what I expected...
      As advertised. Easy setup, good pump, what I expected and needed.Nice kit.
      by
      • Verified Purchase
      The kit was easy to assemble and worked as promised....
      The kit was easy to assemble and worked as promised.
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      • Verified Purchase
      Showing 1-10 of 37 reviews