Replacement for the burnt out Taco 007-F5-1IFC circulator

Discussion in 'HVAC Heating & Cooling' started by lmei007, Feb 25, 2021.

  1. lmei007

    lmei007 Member

    Sep 21, 2007
    I have a hot water heating system. Its main circulator, Taco 007-F5-1IFC was burnt out this evening due to the flange leakage. The circulators for the individual zone are Taco 007-F5-7IFC. I have a spare new 007-F5-7IFC circulator sitting in a box. I am wondering if I can use the 7IFC to replace the 1IFC? I am worried about the capacity difference between the 7IFC and 1IFC. I think the main circulator should have a bigger capacity than these branches/zone circulator, am I right? I cannot find 1IFC specs online. It seems the 1IFC is not popular anymore.
  2. fitter30

    fitter30 Well-Known Member

    Feb 2, 2020
    Retired service tech
    Peace valley missouri
    Double check number on the pump that failed can't find any info on it
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  4. SShaw

    SShaw Member

    Nov 17, 2019
    Those Taco circulators have a replaceable cartridge that contains all the moving parts. You can easily rebuild the circulator by dropping in a new cartridge. The cartridge part number is 007-042RP for the 007-F5-1IFC.
  5. WorthFlorida

    WorthFlorida The wife is still training me.

    Oct 28, 2009
    Orlando, Florida
  6. Dana

    Dana In the trades

    Jan 14, 2009
    In most cases unless your electricity is 2 cents/kwh (not likely) replacing or fixing any Taco-007 with anything other than the high efficiency -007e (ECM drive) or similar high efficiency pump from other vendors would be a better investment in time & money, even if the non-ECM drive -007 or repair cartridge were free.

    If by "main circulator" you're talking about the primary loop (boiler loop), the pumping head & volume required of the pump can be either higher or lower than the secondary (radiation) loops, depending on the system design & boiler type. If it's been working fine, replace it with a comparable pump, or a smart pump if you're the sort of person who likes to tweak the last 1% of efficiency out of it.
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