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Hi-- I had an AO Smith heat pump water heater fail and was provided a new unit by AO Smith. It's pretty straightforward since the plumbing is all in place, and the electrical is no problem as I ran that to the original unit. I'm ready to cut out the old unit, and connect the replacement. I've...

Hey All-- I've got a bunch of Earthlinked DX geothermal units in our house. One of them is a Classic Series that's used for radiant heat in various rooms throughout the house. I love the system, but the company went out of business a couple of years after we did this huge installation--so no...

I just had a drip system installed to water 9 large green giants, and 4 fruit trees--all on one zone--and planted pretty much in a line. The drip tubing goes around each plant a few times. I looked in the valve box and don't see any kind of pressure reducing valves. Considering our water...

I've got a situation where I need to put in some lawn drains in an area of our lawn where water collects from a nearby slope. We just had a patio installed and then had the whole property graded last year, power raked and finished with topsoil. We also planted lawn. However, we've got a good...

I'm installing an AO Smith HPTU-80N hybrid hot water heater and am looking at the pros and cons of adding a thermostatic mixing valve. I see it's recommended for other types of installations, but is there anything that makes using it with a hybrid different? Also, if I understand correctly, the...

We've been having our hot water intermittently get cool when taking showers. It can last anywhere from 30 seconds to a few minutes. It may have started around the time our geothermal heating/cooling was installed in 2017. Maybe. In addition to the heating/cooling, I have desuperheaters coming...

I'm about to purchase a hybrid hot water heater to replace my current Buderus indirect tank that runs off of oil. I'm doing this since after more installed solar panels just yesterday, I now have enough solar to cover this. By doing this I'll be getting off fossil fuels entirely. I put in...

Thanks in advance for your help on this! I've had a leak in a pressure relief valve coming off the boiler that is now being used only for DHW. I changed the relief valve, but it still leaks. So I'm now thinking about looking at replacing the system's pressure reducing valve (taco 329-3), since...