Questions tagged [pressure]

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78 views

How can I maintain pressure when adding bends to a gas line?

We are having a professional reroute a natural gas line. The existing black iron pipe is 1" and is in a wall we are removing. To re-route, we were advised by one contractor to increase pipe size ...
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1answer
54 views

Any potential problems storing a new in box refrigerator long term

We are having a new house build that is scheduled to be done in about 9 months. We need to purchase a Fridge for the new house and have been keeping an eye on sales to save money. My question is if we ...
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1answer
37 views

Why is the recommended pressure for a bladder tank 2 psi less that well pump activation pressure

If I want the well pump to start less frequently, why should NOT the pressure of the bladder tank be GREATER than the well pressure start setting. I have a 30-50 well pump pressure switch which kicks ...
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1answer
7 views

Dimplex SCx175l Water Cylinder - T&P valve leaking

Here is a video of the issue I've just moved into a flat and after hand-washing some dishes this water cylinder (Dimplex SCx175l) began 'draining' very loudly -- I let it go for about 30 minutes ...
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1answer
35 views

well pressure switch in barn, pressure tank in house

My well control setup is in the unheated barn. I tried to keep the pump room heated for a few years but am tired of replacing pressure tanks that freeze up over the winter due to electricity being ...
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2answers
45 views

how strong is 4x6 Pressure Treated wood laid flat on top of drain rock?

I'm in the process of building a 60'x12' bocce ball court and need to create the borders. I'm debating between using 4x6 PT, stacked two tall on its widest side, or using 6x6. the layers would be as ...
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2answers
92 views

Can I switch the hot and cold water supply to improve the pressure of hot?

I have a very old house (built in 1903) with very old and corroded pipes. Because of the corrosion, the hot water pressure is fairly low (mostly in the shower) but cold water pressure is okay. I’m ...
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2answers
45 views

Most efficient garden irrigation for rainbird kit?

I am using Rainbird brand irrigation kit to water my garden and am trying to find the optimal layout for the sprayers. The kit i bought connects from a standard garden hose to the 1/4" hose that ...
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1answer
31 views

Water pressure when changing pipe diameter

The water inlet pipe is 2 inch copper. The water supply is municipal. I want to install a leak detector that requires only a one inch pipe. I plan to cut the two inch copper pipe and install one ...
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0answers
43 views

Is 20' of 2" PVC with 2 45 degree elbows too restrictive for a 92% furnace?

I have a Goodman furnace, 92% efficient, GKS91155DXAF. The exhaust vent flue was previously 2 inch PVC with one 45 degree elbow about 6 feet long overall, and it was routed directly into a piece of 6&...
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1answer
36 views

Trane heat pump compressor and outside fan do not start after being idle

Trane 4dcy4060a in heat mode, after being idle for a while the thermostat calls for heat - the indoor fan starts but the compressor and outside fan do not. initially (a couple months ago) i could ...
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0answers
29 views

Are compressor pressure switches adjustable or repairable?

I have a craftsman air compressor. It's about 20 years old, but for many years now, if I let it run on it's own, it will always blow the pressure relief valve. I don't need a lot of volume, so I ...
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0answers
14 views

Flexline on a t and p release valve?

Opened new water heater box and noticed that the t and p valve is in the wrong place...on top. It used to be connected on the side with a copper flexline, then 3/4 copper pipe through a kitchen party ...
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1answer
89 views

Filling a Viessmann Vitodens 100W that has dropped to minimum pressure

I have a Viessmann Vitodens 100-W that heats my house, and I presume delivers hot water too. I must confess I have been negligent, and never had it serviced. The unit is 8 years old. I will get it ...
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3answers
765 views

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

My well is probably 200' deep and is about 50' from the house. I have no idea what the pump HP is. I have tried different pressure switches and adjusted them up / down but I can never get more than ...
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1answer
28 views

What could cause a water pressure dip at the cut in pressure?

I am consistently seeing/feeling a pressure drop just before the pump kicks in to refill the Pressure tank. I am on a well with a diaphragm pressure tank. I have drained the system and verified the ...
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1answer
27 views

What is the dry time where can you pressure test a DWV system after glueing?

I just pressure tested my system and found a leak in some old connections. So I removed them and added some piping. The dry time for use is 2 hours. Is it the same for pressure testing to 5psi?
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3answers
71 views

Why does water pressure spike when sprinkler is winterized?

We are getting spikes in water pressure, measured at the main feed to the house, starting yesterday when the outdoor sprinkler was shut and winterized. I have a backflow preventer that is tested ...
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1answer
45 views

Well water pressure changing rapidly

I’m hoping someone could help us. We noticed an issue with our water pressure, it seems to fluctuate every 20 seconds or so. We are still able to use our water but it’s become a lot more noticeable. I ...
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1answer
35 views

Water pressure tank

When I turn on my faucet the psi on my tank show 60 psi and when it drops to 40 it turns on but only gets to 55psi then it drops to 30psi before turning on then it only fills to 50psi and drops down ...
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0answers
31 views

150 psi dual pump pressure switch issue

I have this pump (12v dc dual 150psi diaphragm pump). As you can see it has a built in pressure switch which I have disconnected because it does not pump water at all if it is connected - it turns on ...
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0answers
17 views

about sizing a replacement retension

we are replacing a 15yo Amtrol 82 gal retension tank (leaks)with a 42gal fiberglass tank with similar openings not an actual retention tank asnone available in our area. Installed it with tthe same ...
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137 views

Strange clicking noise related to water supply

I have experienced a strange clicking noise coming from under my house. Not the banging noise I read about in other posts - this is not the sound of a pipe hitting a wall. It's very hard to trace as ...
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1answer
58 views

Pressure tank location

We are purchasing a home with a shared well with the neighbor. The pressure tank is in the house we are purchasing. We are destroying the house therefore the tank will need to be relocated outside. ...
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1answer
73 views

Creating positive pressure to keep secondhand smoke from seeping into a studio apartment

I just moved into a 325sf senior apartment and now live in a gas chamber. The second-hand smoke from the upstairs neighbors seeps into the apartment 16 hours a day through gaps around the shoddily ...
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1answer
383 views

Gas line pressure testing, is there an acceptable limit for losses?

Last week I finished installing the gas home runs in a house I'm working on. Never really done this before, but I figured I'd take a shot at it since it was only 20 ft of pipe. Last Saturday, with ...
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1answer
80 views

well pump will not fill pressure tank

Just installed a Wayne WLS150 water sprinkler pump in addition to a 20 gallon pressure tank on our boat dock. The tank has a 40-60 pressure switch on it. Pump works well and pumps an enormous amount ...
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1answer
95 views

Whole house filter/water softener affect water pressure?

Since moving in we have some issues with the water pressure in our house. I have adjusted the water pressure coming into the house and measured it at around 60psi (originally was set to around 35-...
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17 views

Pressure washer loses high pressure when high pressure hose umis attached

I have a branded Honda cvg 120 pressure washer. It was sitting in storage for a while so prior to starting I emptied the gas and cleaned out the carb. With fresh gas it started on the 2nd pull. Gave ...
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1answer
63 views

New well pressure tank short cycling

I have a 3/4HP well for my lawn sprinkler system. I recently changed the pressure gauge, the pressure switch (set to 20/40) and a new pressure tank (18PSI from the factory). When I turn on the power,...
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2answers
1k views

Boiler losing pressure overnight

so, i have an ideal logic combi boiler which although working seemingly well , the pressure drops to almost 0 when not use, mainly overnight. I do not need to re-pressurise the system as when i turn ...
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1answer
217 views

Rinnai R85 - no water pressure after flush

I have a Rinnai R85 tankless water heater. We recently had an issue with no hot water which was resolved by performing a flush. Since then, upstairs sinks and tubs are fine, but our two kitchen ...
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2answers
46 views

Water pressure became a problem - city water

Old house, 1948, city water. I have regulator on main set to 50psi We had a problem when washer runs it's impossible to take shower. But recently (last 3 month or so) it became worse. If you take ...