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  1. TinHead

    Geothermal 10% bleed off

    I have a 3.5 ton water to air heat pump (9gpm) running off an open loop system in my 420' well. I currently use a submersible pump designed to run continuously with the geothermal heat pump (no cycling on and off). I am thrilled at my $160 a month cost to heat (I'm in NW Connecticut and heat a...
  2. TinHead

    Pressure switch 'rubber banding' on & off

    I have an open geothermal loop in a 400' well with 120' of return line. I also use this system for domestic water. I have 2 pressure switches, one for the bladder tank, one for the geo loop. They are wired in parallel so either or both can call for pump. There is a check valve on the bladder...
  3. TinHead

    Cleaning an aluminum coil of sediment

    Hello <waves> I recently come to the conclusion that my ground water coil, in my Solargy geothermal heat pump is clogged with sediment (inside the coil). Being that I can't use Sizzle on an aluminum coil, I was wondering what are my best alternatives to clean this coil out. Thank you...
  4. TinHead

    Determining head pressure by GPM?

    Hola I'm looking to install a barely used Geo Heat Pump in my home and I'm trying to decide on a new pump h.p. The existing well has served it's intended purpose flawlessly for 18 years with a 5GS07 (I had to figure that out -- goulds box drawing 7.5 amps on two legs at around 5 GPM). I've...
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