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X Pump Block Repair

SoCal_Hydronics
SoCal_Hydronics Member Posts: 11
in Radiant Heating

Well — now that an X Pump Block has become a $2,600 part — I am more curious about repair options. In the past I have been able to buy replacement pumps, but those do not sem so easy to source any more.

It appears there are essentially just a pair of 008 circs on board. Can one simply replace the cartridges?

Thanks!

Comments

  • Alan (California Radiant) Forbes
    Alan (California Radiant) Forbes Member Posts: 4,281
    edited September 2024

    I believe so as I remember taking one apart years ago. My goodness, I haven’t priced one recently. Time to DIY.

    8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hour

    Two btu per sq ft for degree difference for a slab
  • GGross
    GGross Member Posts: 1,405

    Looks like they offer cartridge replacements for them. 008 bronze/stainless cartridges are a couple hundred bucks on publicly available supply house pricing. cost makes at least some sense when you consider it is 2 bronze 008 pumps all the piping done, heat exchanger and control. Definitely costs less in material to build it yourself!

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