2007 water furnace premier DC volt communications Upon arrival homeowner had power turned off due to the fact that the compressor will not turn off ever under any thermostat mode or setting. Initial inspections discovered welded closed contacts on the 40 amp two pole starting relay contactor. At the same time the ground loop pressure has lost all pressure to zero starting at 45 within one year. Replace two pole contactor and re-pressurize ground loops to 60 PSI. Maximum house water pressure. Run test cooling mode high stage at 47° supply temperature Homeowner will monitor hose kits and flow center for any ground loop pressure loss. Westin Air can service any and all equipment and antifreeze flushing necessities inside the house however any foundation penetrations and outside ground loop work will require the original installing contractor or a professional geothermal well drilling company Ground loop antifreeze has not been identified at this point