4 votes

How to retrofit this circuit to be able to run a bare ground splice to another appliance?

More like "how do I bring this up to code?" Random $1 4x4 steel junction box. (should be $1, Home Depot is overpriced). Cable clamp appropriate for 10/2 wire. x2. "10/3" wire whip....
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3 votes

Do tankless under the kitchen sink 110v water heaters any good for instant warm water?

No, they're really not. True tankless on 1500W (max plug-in power) is actually a hard problem, because physics is against you. You cannot deliver enough BTUs to do the job. That's why they're not ...
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2 votes

What kind of water pump should I use to supply a tankless water heater from a non-pressurized water source?

If you exceed the GPM rating of the heater, the water will not get the specified temperature rise that you are probably counting on. In the listing your provided it says: A 2GPM portable tankless ...
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  • 20.3k
1 vote

Does missing expansion tank and check valve explain non-functioning circulating pumps?

If you don't have a check valve near the pump, then there should be a thermostatic valve somewhere else far away. They are usually installed under a bathroom sink. That valve might be disabled or ...
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  • 18.7k
1 vote

Condensate Pump For Water Heater?

You need to fix the problem that is causing your pressure/temperature relief valve to actuate. They are explicitly forbidden to be connected directly to a drain, because you should be aware that they ...
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  • 132k
1 vote
Accepted

What kind of water pump should I use to supply a tankless water heater from a non-pressurized water source?

I'd use something like that: It's a pump with an output pressure of around 4 bar (60 PSI), a pressure tank, and a pressure switch. When pressure in the tank drops, it starts. When pressure is ...
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  • 5,780
1 vote

Draining sediment out of my hot water heater

The answer to the question as posted by the OP in a comment: Turns out, repeated draining over 18 hours left the water coming out almost clear, and the hot water at the tap odorless. Postponing ...

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