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  1. C

    Grundfos Pump install location right?

    You are correct. The ones I saw mounted to the top had the return loop going into the drain valve. Which is why I wasn't sure if mine should go there even though my pump and setup is different. Since my heaters are different sizes and ratings I didn't go with parallel install. I thought with the...
  2. C

    Grundfos Pump install location right?

    Thanks for the replies. So far i have been told that i should run the return loop from the inlet on the first heater, or from the drain valve on the first heater, or leave it alone and have it coming into the inlet on the 2nd heater. Of course I like the sounds of not changing it but at this...
  3. C

    Grundfos Pump install location right?

    Oh no not the Quantum flux capacitor
  4. C

    Grundfos Pump install location right?

    Would there be an issue using a outlet timer on the pump? It has a timer built in but it only allows for everyday to be set to the same. My weekends are very different than my weekdays. I thought I could put the pump on the always on setting and then use an outlet timer to turn it on and off to...
  5. C

    Grundfos Pump install location right?

    Sounds good I'll try that out. Thanks for the help everyone. If you see anything else that I should be concerned with please let me know. I'm trying to get everything I need then do it all at once.
  6. C

    Grundfos Pump install location right?

    Once I get the lines insulated I was think about trying gravity and not have the pump on but this is a pretty large 2 story house (5,000-6,000 sqft) about 100ft long so Im not sure how well it would work out. IF I was to connect the return loop to the water heater near the bottom I would just...
  7. C

    Grundfos Pump install location right?

    Yeah the drawing isnt the best. The recirc line comes from the farthest sink and is a proper loop, just didnt draw everything past a certain point. Also the hot and cold lines coming off of the heaters are going in and out the correct places, it just looks reversed b/c I was trying to make the...
  8. C

    Grundfos Pump install location right?

    Also note that the (hot out) of the first heater is going into the (cold in) on the 2nd heater. The picture makes it look like its switched.
  9. C

    Grundfos Pump install location right?

    Please take a look at my picture and let me know what I need to change. I need to add a few shutoffs and I think I need to get a PRV (static pressure is 80psi but think pressure from city main jumps up to 100-120psi need to get a better gauge to know for sure) The main question I have is...
  10. C

    Best way to treat calcium

    Its hard to get good information about the "easywater" type systems. People keeps saying that it is impossible to soften water with these.....this is no doubt true....they do not remove anything from the water....this is also true. From the ones I looked at they dont even claim to do these...
  11. C

    Best way to treat calcium

    I have hard water and need to stop the build up of calcium. I have 2 water heaters ran in a series and a water recirculation pump. I know I need to flush my tanks every so often but I want to treat the problem. Most things I see are for water softeners. I would go this route but my outside...
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