Questions tagged [pressure]

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Shallow well jet pump heated up, now low pressure

First of all, I have to say that I am a beginner, so please excuse inaccuracies. I'll try to describe as much as possible, so you can get a better sense of the situation. I have a shallow well to get ...
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Condensate Pump For Water Heater?

I just learned that my water heater can release water onto the floor via a pressure relief valve. I've cleaned up the mess (the valve is working fine, I just didn't notice the tiny cup previous ...
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1 answer
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Deep well water tank leaking from gauge

Why is it leaking here and how can I fix it?
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Am I confusing my vacuum gauge trying to read an existing vacuum?

I have a vessel that I just pulled a 5" hg vacuum on using a hand pump (brake bleed pump). The empty space I pulled the vacuum on was about 2 or 2.5 gallons of volume - I see the 5" hg ...
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3 votes
2 answers
90 views

Can home water pressure be measured at the expansion tank?

I currently do not have a pressure gauge that fits an outdoor bib but I do have a tire pressure gauge. If I check the pressure at the Schrader valve assuming the system is pressurized, will that give ...
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2 answers
155 views

What is causing leak at my boiler through pressure relief valve?

Recently my boiler is leaking periodically through the pressure relief valve. I replaced with a new pressure relief valve. Still leaking so I hired a plumber he said my expansion tank is filled with ...
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Placement of air pressure tank with respect to outlet of the water pressure pump

Does the pressure tank need to be above the outlet of the pump on a household water pressure pump?
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1 answer
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How important to replace Furnace pressure switch with the one from the same manufacturer?

We have 2004 Furnace American Standard and Nest thermostat.When I turn heat on the Nest it starts the furnace but no heat comes from the vents. We called one local company and tech person came, spent ...
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1 answer
49 views

Why is my 30/50 well presure switch not kicking on until 22psi?

We had a new well pump bladder tank and pressure switch installed in July to August. The water pressure switch is kicking on at about 22psi instead of 28psi, the off is still 50psi. Emptied the tank ...
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Whirlpool Refrigerator water pressure low (not filter related)

This is a new issue. We do have a water filter system before going to the fridge, but it was not an issue for the last 4 years. Now, the water come out normal and then quickly restricts and goes ...
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-2 votes
1 answer
74 views

Might a reducing valve reduce pressure further when city water pressure is already low?

Installed the water pressure reducing valve but seems like it’s not working properly, as in REDUCING the outflow/water pressure to the house, EVEN MORE when there is VERY LOW INFLOW(pressure coming in(...
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2 votes
1 answer
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Would five 19l pressure tanks in series work as well as one 95l pressure tank in a household well pump system?

This pressure tank is 19 litres and available for just a few dollars The weight is 4kg This one is a different brand and 100 litres The weight of the 100 litre tank is only 15.4kg. I believe both ...
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Pressure pump runs every 5 seconds but moves no water

In our building we have a large water tank located on the ground floor and a pump (this one: https://www.pedrollo.com/public/allegati/DG%20PED_EN_50Hz.pdf ) that feeds water to the smaller tanks (one ...
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How to replace a Pressure Reduction Valve and Shut off valve?

I got several quotes that I simply can't afford - $900+ to install a new quarter turn one inch shut-off valve and replacement of one inch Pressure Reduction Valve. I've done a few plumbing projects at ...
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Remodeling Bathroom-water pressure issues

I am doing the plumbing for a remodel of my bathroom and everything is brand new. I've googled reasons on why my water pressure is still really low in the shower; even increased it from the main ...
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2 answers
348 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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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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810 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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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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-1 votes
2 answers
96 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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1 vote
2 answers
94 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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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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50 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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1 answer
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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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375 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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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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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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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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1 answer
301 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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2 votes
3 answers
2k 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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1 answer
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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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1 vote
1 answer
32 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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1 vote
3 answers
117 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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1 answer
83 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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1 answer
40 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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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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0 answers
303 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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-1 votes
1 answer
143 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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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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1 answer
158 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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1 answer
190 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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  • 353
0 votes
2 answers
114 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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1 vote
2 answers
4k 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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1 answer
574 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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2 answers
56 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 ...
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