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  1. Electrical
    Hi everyone! I ve got a GeoSpring water heater and I need to do the electrical connection myself due that its 240volts the manual point with an arrow that L1 will be the one with the 240Volts and since the graphic is in black and white it shows the L1 as the darkest cable, so I think its the...
  2. Plumbing
    I am working professionally with a lot of heat pump water heaters (HPWH). It looks like we have a wave of 4th generation HPWH that have hit the market in roughly 2009. What are your thoughts about the following models? I have added my thoughts, but would like to see if you have installed any...
  3. Plumbing
    I have a boiler that heats the domestic hot water with a tankless coil. Burning oil in the summer drives me crazy so I'm adding a GeoSpring hot water heater in line. I'm wondering whether to put the hot water heater before or after the boiler. Seems like 6 of one and 1/2 dozen of the other...
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