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Ground water temp for On-demand hotwater in Alaska
Any ideas on how to raise the groundwater temp before it enters the on-demand hotwater heater/ boiler(ONEX). My hotwater pressure is low and i think if i can raise the temp of the source water i would get my pressure back with less temp flucuation. I had a friend tell me about a brazed plate heat exchanger run off my boiler as an additional zone might accomplish what i want without a storage tank. Anyone done this? My friend uses it for his hot water but he has a older boiler with much more btu then mine. I would like to keep it efficient as possible, without a storage tank of water.