This is the first time I will be away from my boiler since installation. I will be gone for 7 days and the temperature will be in the 20s and 30s through the day and possibly down to single digits temps a few nights. My thermopex is buried 36 inches down from the house to the outbuilding but I am concerned about where it makes a 90 degree turn to come up through the floor of the boiler shack. I suspect the area where the pex crosses under the outside wall it probably isn't buried as far down just because of how stiff that thermopex is. I have an electric heater inside the building set at 40 degrees. I have a danfoos valve in the bypass but the thermostat will be closed once the water cools. I drilled an 1/8 hole in the thermostat when I installed the danfoos. I am thinking about removing the pump wires from the eko controller and wiring a plug on the end to plug it into the wall outlet while im gone. Maybe I don't even need to run the pump. Thoughts?