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primary pump on TT Prestige Solo

bluejag
bluejag Member Posts: 2
edited January 2024 in Radiant Heating

I have TT prestige solo boiler installed about 14 years ago. The 5 amp fuse has been blowing. The original installer used a secondary pump Taco 0011-F4 to circulate water through the floor system. 

He attached the secondary pump to pipe #7 and #9 on illustration figure 7 of the TT trouble shooting guide. The primary pump (HMVCIR02)is capped off at the bottom of pipe #8, so I don't think it is used for pumping water.We are not using the boiler for domestic hot water. A repair man was just here and wants to replace both pumps. I agree the Taco secondary pump is failing , but don't understand how the primary pump is involved.

Can some one explain this to me.

Russ

Comments

  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 11,304
    Is there a diagram missing?

    Edward Young Retired

    After you make that expensive repair and you still have the same problem, What will you check next?

  • bluejag
    bluejag Member Posts: 2
    Here is the diagram 
  • psb75
    psb75 Member Posts: 1,072
    You need to provide a plumbing schematic/diagram of the piping and system components outside the boiler, if you want folks on this forum to be able to help you.

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