Hot answers tagged

43 votes

Can I use two 30A breakers together for a 60A water pump?

No, and the level of "not understand what you are doing" is concerning. 60A at 240V (220 is at least 50 years out of date) is also 60A at 120V, twice. Two 30A 120V breakers are exactly ...
user avatar
  • 137k
36 votes
Accepted

How can I pump water from our 2nd floor down to 1st floor drainage?

You can find a manual siphon pump at any large hardware or automotive store. It will look like a hand-sized rubber bulb, or possibly like a small hand-operated bike pump, with a hose on each end. An ...
user avatar
  • 523
28 votes

How can I pump water from our 2nd floor down to 1st floor drainage?

A method that will work in your case is to coil up the entire hose in the water to be removed or ensure that the hose is completely filled by filling one end from the faucet until the other ceases to ...
user avatar
  • 9,391
27 votes

How can I fill a wheelbarrow tire when the bead is gapped away from the rim?

Looks like the typical gap one gets when mounting a tubeless tire. You'll need to get the bead to seat against the rim as you pump air (hopefully quickly) into the tire - a hand pump might not do it. ...
user avatar
  • 1,539
25 votes

Can I gain AC efficiency by spraying condensate water on the outdoor coils?

Clamp Power Meter Buy or borrow a clamp power-meter with a "kWh" feature, that is, the ability to perform an energy measurement. Not all clamp meters have this, e.g. a "True RMS" ...
user avatar
  • 10.3k
19 votes

How can I fill a wheelbarrow tire when the bead is gapped away from the rim?

If you're not afraid of a little fire then this could work: https://youtu.be/DJiqbAVsxRY Put on some safety glasses, preferably tinted Put on some rubber gloves Put on some ear protection Have a ...
user avatar
18 votes

Can I use two 30A breakers together for a 60A water pump?

The right breaker is $12. (I'm being generous here) you are confused about how 120/240V split-phase works. A lot of people think you multiply amps by 2 when going from 1 phase to 2 phases, or the ...
user avatar
15 votes

How can I pump water from our 2nd floor down to 1st floor drainage?

Wanted to add a clarification to the auto-siphon technique - you do not need to fill up the entire hose. You only need to fill up enough to make it without air gaps to a level below your siphon ...
user avatar
  • 250
15 votes

Can I gain AC efficiency by spraying condensate water on the outdoor coils?

See other answer for how to test for actual efficiency gain, but you're basically cooling your output coil with a swamp cooler. In commercial settings it's called a free cooler. Water is either ...
user avatar
  • 2,203
14 votes

Can I gain AC efficiency by spraying condensate water on the outdoor coils?

Disclaimer: This question is about Air Conditioners. The "You" discussed below is an air conditioner owner. This answer is not about heat pumps, which are a different class of equipment (...
user avatar
11 votes

How can I fill a wheelbarrow tire when the bead is gapped away from the rim?

Take it to the local tire store, and ask them to inflate it - they'll use their bead-blaster machine to mount it. Should be little to no cost. The next time it happens, ask the tire store to put an ...
user avatar
  • 1,166
10 votes

How can I pump water from our 2nd floor down to 1st floor drainage?

If you want to avoid having to restart the siphon periodically, a useful trick may be to shape the hose into a sort of "S" shape, with the inside end extending to near the bottom of the tub, and the ...
user avatar
  • 930
9 votes

Can I gain AC efficiency by spraying condensate water on the outdoor coils?

If you gather and archive a local source of weather data, and operate the mist system on alternate days for a while, you should be able to gather a pretty good sense of the effect on power use, ...
user avatar
  • 137k
7 votes
Accepted

How does a boiler pump circulate water?

does the spin on that impeller (at a high velocity) really create enough momentum to move water up seven or eight stories? It doesn't have to create momentum as it isn't throwing water ballistically. ...
user avatar
7 votes
Accepted

Can I run my washing machine drain line into a condensate pump so it drains better?

I think you have a couple of factors to consider in using a condensate pump. One is the volume of water per unit time relative to what the pump can handle. A condensate pump is going to expect a ...
user avatar
  • 9,391
6 votes
Accepted

Can some wet/dry vacs indeed continuously pump water?

There are two solutions: Wet/dry "Pump" Vac Look for a wet/dry vac that is labeled "pump" (the manufacturer will likely draw a nice hose with fresh water prominently on the box). Such wet/dry vacs ...
user avatar
  • 1,195
6 votes

What shouldn’t be dumped into a basement dump sink?

Sewer pumps are designed for specific uses and their ability to handle different liquids and solids varies hugely. Read the documentation for your specific one. The most common enemies: For all ...
user avatar
  • 17.9k
5 votes
Accepted

Is there a Plastic Barb to PVC Pipe pipe fitting?

Sometimes the hose barb fittings on a pump or device are removable so you can swap them for another fitting that suits your use. Here, it looks like the hose barbs are molded into the plastic of the ...
user avatar
5 votes

Foot valve leaking? Other solutions to priming pump

Option 1 - better foot valve, or better seal/gasket in the foot valve you have. Option 2 - set up an easy priming solution, if 3 days between pump starts is typical. i.e. have a reserve tank (above ...
user avatar
  • 137k
4 votes
Accepted

Spa/hot tub A/C pump hums, but does not run

After pulling the motor out (which required draining the spa and disconnecting the PVC connections) and removing the cover, I found another capacitor. Googling the part number indicates that this is a ...
user avatar
4 votes

I have a 30amp 240 breaker going to a 240v water pump. I want to protect each leg with a GFI

In short, no. Each leg of a 240v circuit is is 180° out of phase and they share a common neutral. If both legs are hot, it will trip a 1 pole GFCI because the opposite phases cancel each other out on ...
user avatar
  • 6,825
4 votes
Accepted

What does the 26/6 mean in a pump rating?

It has been a few years since I looked at specs on one but the two numbers are identified as Q/H or (m3/h by m). (m = meters) To my understanding Q is volume of flow in m³/h (25), so how many cubic ...
user avatar
  • 1,068
4 votes
Accepted

Water pump as air pump or vacuum pump

You cannot use a water pump to pump air. A water pump is designed to move fluid with a viscosity and density that is 1000 times greater than air. The water pump needs the lubrication and cooling of ...
user avatar
  • 19.7k
4 votes

How can I fill a wheelbarrow tire when the bead is gapped away from the rim?

I've had decent luck using a couple of plastic bags and even saran wrap. I rolled them up and placed them near the rim so that it fills in the gap enough to get a better seal. The pump then works well ...
user avatar
  • 141
4 votes

How can I pump water from our 2nd floor down to 1st floor drainage?

Siphoning will work, and how hard it is has little to do with how long the hose is going DOWN, its the distance from the top of the liquid to the highest point of the hose. (before someone very exact ...
user avatar
  • 141
4 votes

How can I pump water from our 2nd floor down to 1st floor drainage?

Install a sink above the 3' height The root of your problem is that your wash water is on the floor. Most people with sinks have the sink at some height above the floor. And I have a feeling you, ...
user avatar
4 votes

Grounding and neutral in a well pump shed

Current flows in loops. Between hot and hot; or between hot and neutral. But always a loop. Wayward current wants to get back to SOURCE - not earth. For human-generated artificial electricity, ...
user avatar
4 votes

Why will my well pressure not go above 40 PSI even when I hold the pressure switch closed?

You need a pump that will provide more pressure. That may or may not be "larger" in terms of HP - my recollection was that the most common 1/2 HP submersible pumps when I was shopping were ...
user avatar
  • 137k
4 votes

Why will my well pressure not go above 40 PSI even when I hold the pressure switch closed?

Wells are all so different. In my area, we have few aquifers, rather it's mostly underground rivers. So, as usual, "it depends" (sorry!) Water deep down can be under a lot of pressure so ...
user avatar
4 votes
Accepted

double pole breaker trips all the time

Could be an overload This is a 240V (2-pole) breaker. Given the 20A size, it is perfectly legal for it to feed both 120V and 240V loads, and I suspect the pool pump is a 240V load. A 20A 240V/2-pole ...
user avatar

Only top scored, non community-wiki answers of a minimum length are eligible