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It looks like you are well under 50 psi for shear. At ~1500lb, this would only be 30 in^2 to get 50 psi shear. I suspect that you are closer to 25 psi based on those numbers.

However, are you sure...

I assume by the "total of 7 times", you mean 7 times per hour??

Assuming this thing is going to actually be feeding 20 gallons every 8 minutes (all day), it would be best to ignore the inital...

Around here, you only need to hydrostatically test to the working pressure of the system (usually turn the water on and pressurize to supply pressure). For non-plastic pipe, you can also air test to...

Does the bathroom just have a shower at this point? Is there a lav? If so, does the water there get hot? If it is just the shower, it could be as simple as the shower valve. Many have and adjustment...

Okay. I would check the breakers in the panel to see if any are tripped. There should also be a disconnect outside (usually a grey box on the wall next to the outdoor unit). See if it is switched to...

It could be many things. Was the outdoor fan running at the time?

The compressor may not run for several reasons:

1. The t-stat in the house was switched to emergency heat. In this case the...

I mentioned this to Terry sometime back. There are some items a homeowner may have left over (like test plugs, balloons, fittings, etc.) and it may be a nice spot for another homeowner to pickup...

You could get lucky, but more than likely it goes something like this:

power ==> switch 1 ==> switch 2 ==> overhead light ==> outdoor light

So, you would need to break that in a few places and...

Yes. If both lights are controlled by two switches, then both switchs are a 3-way switch.

What you want to do is possible, but it may not be easy. The 3-way switches would be replaced by normal...

That connection is normal. Many shower valves give the option to either thread on a female fitting or you can put the copper pipe in the socket and solder. Personally, I like the solder connection...

I used the primer on my cement board also before the Kerdi. I did one coat. Seemed to work fine. Didn't have issues with the thinset drying out.

Yep, it certainly looks to be a design issue. From what I understand, the tubes were rubbing together and also against those retainer bars. This provides some info:
...

You said intended. Intended /= intend. I understand this was probably a typo, but you should read what you said before going off on hj. hj read what you said and it looks like you were skipping the...

Look on both power adapters. There should be a symbol that will have a solid circle surrounded by a ring. This symbolizes the connector (center part vs. the outer part). Compare the symbols to see if...

The main thing is that the voltage and polarity is correct. The rated amps is secondary. The rated value is more of a capacity than a continuous output. You want the rating to be at least as high as...

Once you are in the dry part of the vent (horizontal >42" above floor), there are no limitations on distance that I am aware of. The vent should have a slight slope back towards the drain. This will...

I am saying that in the current layout, you have two options:

1. connect the lav line after the shower trap and wet vent through the lav (studor vent)
2. have a separate dry vent for the shower...

As Terry says, the vent goes on the shower after the trap (but before the 3" line). If that 3" line could be moved up in the pic (instead of directly under the wall), after the shower trap (moving...

Run the 2" vanity drain and connect to the 2" shower (after the shower trap) then connect from there into the 3" line. This will wet vent the entire bathroom. In your current drawing, the shower is...

A lot of people get venting wrong. A plumber should have got it right, but you never know. No place that I know of allows wet venting between different levels (basically what you have). Could it be...

The tub and WM are not vented, so that is probably why you are getting the gurgling. The best fix is to run a separate vent up to the attic and out the roof (or you could tie the vent in 6" above the...

I bought some about a year ago from aamericanflooring.com. The ones that I got were 3/8" brushed nickel and were $19 each at that time. I later found that I could have bought them at the local tile...

If the water isn't running down the pipe and just ending up on that joint, it means that your pipe is probably clogged and they also didn't do a good job gluing that joint. If this is the case, that...

If you are under IPC, you can run up to 8' on a 2" line before the vent. However, I would go with the UPC limit of 5'. With IPC, they figure 1/4" per ft slope, so after 8', you can dropped one full...

Check the plate on the furnace. Somewhere it should say the BTU input and BTU output. That will give you an idea of the size that is needed. However, it is possible, or even likely, that even the old...