I checked it again today, pump was hot and there is power too it just like in cooling mode except the lines are hot as well. I tried to amp check it but my meter isn't precise enough (pump is only rated at .46 amps). I closed the isolation valves and still never got an amp reading. I disconnected the water lines and held my fingers over the connections to hold the water in and turned the thermostat on, pump cut in and I could feel the pressure right away, removed my fingers and it pumped all the water out into a bucket. Reconnected the lines and turned the unit on again, bunch of bubbles went cruising by and within 30 sec the outgoing line was much warmer... So even if it's running very short cycles in cooling mode a guy should be able to feel the difference in the lines, especially with very cold water, right now it's heating already warm water and you can feel a lot of difference...
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