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Furnace not making enough hot water

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Angela_3
Angela_3 Member Posts: 1
in THE MAIN WALL
The furnace is suddenly not making enough hot water to get through a shower. Their is no increase in demand or usage. The only change is a new shower head that I would have to say has the same out put as the old one. Do you tink it is a problem with the storage system or what?

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  • kpc_19
    kpc_19 Member Posts: 11
    you need to....

    watch those showerheads. Some of them will allow A LOT of water to flow through making for a short cold shower. Do you have a tankleess coil (no storage tank)if you exceed the flow rate you most certainly will run out sooner. Do you have plenty of hotwater at a sink? kpc
  • bruce_21
    bruce_21 Member Posts: 246


    Is the low hot water flow at all the faucets or just the recently changed showerhead? If it is bad everywhere I would suspect a scaled up tankless coil, which will need to be cleaned with acid soon before the flow goes to zero and the coil must be replaced.
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