This is because the technology that is designed to generate the pressure and heat has been centuries old ---- since the law of its very own physics founding itself until now, which is really a mature and stable technology. Primarily, the pressurization aspect, and likely the heating contraption also.
It hasn't changed, because, it's proven ---- cost-wise, and logically functional and explainable. And moreover, it's fruitless to spin the wheel and reinventing the exit.
Mechanical engineers would know that brands don't matter much. Better yet, they already know a cheap China-made pump works well enough for them.
What you need to know however, is the material usage behind the water heater or hot water system, and any patent for the unique selling point of the product you're eying on-----usually to protect the electrical component to keep it from destruction, while the material usage is what helps water heater pump resist against thermal radiation / expansion / contraction / wear and tear / thermodynamics.
These days, individual household products are well-fitted with micro pump technology and you see this in car jet washing, to fish tanks, drinking filter, etc, and you get the same physics application but in different sizes. Because there is more money to be made fitting into micro segments.
Hope it helps.
Mar 25 2025, 11:29 PM
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