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Old 11-22-2014, 07:29 AM   #15
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Unless you bleed the pop off valve when filling the water heater the first time, you have what amounts to an expansion tank already in the system. There will be air trapped in the top of the heater as it fills - and there's nothing wrong with that in my book. It give the water a place to go as it warms up...

Regarding this VS pump style and expansion tanks, because this pump reads line pressure to vary pump speed, it might be possible for the expansion tank to cause the pump to surge a little. Not a big deal either, but that's just an opinion.

Regarding checking voltage at the pump, to get a true picture of what's going on there, that check should be done with the pump running. Otherwise, you would get the same reading with tiny wire, or something the size of battery cables. As long as the circuit is complete, there will be voltage.

What we need, is wire big enough to allow for enough amperage to keep the motor from overheating. The only way you can measure that with a voltmeter, is with the motor running. If you see the voltage dropping significantly as the motor kicks on, you have reason to doubt the wire size has the ability to handle the necessary amperage.

Under ideal conditions (fresh batteries, or while plugged in), the voltmeter should show something close to 12v (minimum) with the motor running....
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Old 11-22-2014, 07:47 AM   #16
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Quote:
Originally Posted by RonNBama View Post
How long are these $175 units supposed to last? Replaced one a little over a year ago and it has already crapped out! This is the 55ARV Aquajet, 5.3GPM model. I love the quiet operation and steady water flow but a yearly replacement schedule is a bit much.
What is the warranty (Often 1 year but frankly I do not know) and did it end with "You may have other rights which vary from State To State"?

If so it pays to know the consumer protection act in the state where you bought it.. Generally this act is an implied warranty, lasts four years for most items (longer for some less for others) since this is a "Durable item" should last a decade.. the 4 year limit should apply.

Just so you know. But you will need professional help or have to read the act yourself to figure out how it applies.. I can point you to it, but that is all.
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