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R290 air source heat pump No Further a Mystery

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Utilizes electronic expansion valve to precisely control the movement of R290 refrigerant into your evaporator in addition to a four-way valve to divert the refrigerant move for the defrost operation The refrigerant in an air-source heat pump absorbs heat in the out of doors air and turns into a gasoline https://atozbookmark.com/story20304620/top-r290-propane-heat-pump-secrets

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