Questions tagged [water-tank]

Tank for storing water, often a gravity based system that is located on a roof.

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How to be able to empty completely a drinking water tank with an outlet not completely at the bottom?

I have a drinkable water tank (precisely to drip water my edible plants with pH 6.5) with outlets on the flank. The 1-1/4" one I use is at 45mm minus half the diameter = 20mm from the bottom, so ...
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1 vote
2 answers
98 views

Hot water tank in extrem cold weather

My hot water tank cannot heat up water in extrem cold weather, like -25 degree celsius. I called my plumber who replaced the hot water tank for me three years ago when this happened the same year he ...
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Hot water shut off both valves

There are two shut off valves on my hot water heater. It's leaking from the bottom of the tank. One is coming out of the bottom of the tank and the other is coming out the top of the tank... Do I ...
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-1 votes
1 answer
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Pumping water into two 10m3 tanks that drains separtely and using a single float switch

I have this project to pump water (from a solar pump inside a bore well) into two 10m3 (10.000Litres) water tanks. The pump maximum flow is at 5 m3/h. The tanks have individual drain pipes and one ...
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Can I add a backup electrical heating element to this hot water storage tank?

I live in Europe and have a gas furnace that heats the water in my hot water storage tank. I would like to add a backup electrical heating element to the tank that I can turn on if our furnace ever ...
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1 answer
134 views

Why does my cold water tank have two overflows?

The cold water tank in my loft has two overflows side by side, both of which run parallel and straight out the back of the house. One has a 90-degree bend inside the tank meaning the end of the pipe ...
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36 views

Get water from pressure tank when pressure from direct provider is low?

I'm planning on DIYing our water tank and water pressure tank but need help on a few things. My plan is to have 2 water inline going into our house main line. First water inline will be direct from ...
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1 answer
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Adjusting Air Pressure in Well Pressure tank

I need to refill my air pressure in a well pressure tank and have received conflicting reports on how to drain the tank. Some say that the tank has to drain completely (from the valve at the bottom of ...
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1 answer
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Can we set up 2 water pumps such that they never run simultaneously?

We are planning to install 2 water pumps, with 2 overhead tanks. Water outflow of these tanks will be different, so the pumps will mostly run at different times. Pumps are triggered based on water ...
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1 answer
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Does a new water tank need to be installed at the same height as an existing one for the floats to work properly?

I'm installing a 500 gallon water tank next to an existing water tank... The existing tank holds 300 gallons and is fed by well water. This tank has a float shut off and a pump that pumps into a ...
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3 answers
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Smelly House Water

We have 2 concrete tanks 15,000 each. The first seems to catch the sediment the second I can easily see the bottom and only has a few insects at the bottom. It is at least 2.5m deep. Both tanks a full....
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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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2 votes
2 answers
175 views

Is it safe to set my water heater tank to vacation during winter time? What else can I turn off to save heating bills during winter?

Is it safe to turn set my water heater tank to vacation during winter because I am mostly away from my house? I live in Canada. What else can I turn off to save heating bills during winter when I am ...
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1 vote
4 answers
143 views

Water Holding-Tank Apparatus Converting warm water to cool water coming from the main water line that dispenses warm water to a water tank

I live in Tucson Arizona (in the Sonoran Desert) almost all year round where the temperature high ranges are 98°F up to 108°F from May to August. Our PVC pipe water mainline is buried 2ft underground ...
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-1 votes
1 answer
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Finding right instalation when using booster pump together with gravity storage tank

I have two ideas for connecting booster pump(s) to roof storage water tank: First scenario: use the pump to fill storage tank, and tank to supply water to the building. In this case two separate ...
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2 votes
1 answer
102 views

What is this tank?

There was a spigot that was randomly in our yard when we first moved in a couple months ago. Now that the weather is somewhat warmer, I decided to finally dig it up and find the source of water. While ...
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How to connect two different height water tank on pump?

I have a two.different size water tanks, 1500 liter and 500 liter. Both water tank height and width is different. 1500 liter tank width- 49.5” height- 56” 500 liter tank width- 36.5” height- 36”...
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2 votes
4 answers
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How to Fix this Water System?

Due to low water pressure and lots of water interruptions from our water supplier, we asked a 3rd party to install a water system. This is how the water system looks like based on my observation. ...
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3 answers
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How to Increase Pressure from Water Tank?

Due to low water pressure and lots of water interruptions from our water supplier, we installed a water system. This is how our water system works: water supplier > water/booster pump (0.5 hp) > ...
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13 votes
2 answers
6k views

What metal is most suitable for a ladder submerged in an underground water tank?

I need a ladder in my underground water tank at home, to enable easy access for cleaning and maintenance operations. The water from the underground tank is used for drinking, apart from other ...
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1 answer
4k views

Water Expansion Tank precharged at 25psi. House pressure at 70

I have a water expansion tank (5 gallons) installed on a new water heater (40 gallons) and my houses PSI is at 70-80. The tank came precharged at 25psi. I know that I am supposed to match my home ...
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What Automatic Transfer Switch can switch between parallel sources without a priority setting so as to run a well pump from either of two homes?

We have two homes sharing a single well. The other homeowner and I want to change our water system so that we each have our own Pressure Tank and we can each run the well pump with power from our own ...
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1 vote
2 answers
77 views

Solar powered water pump

I have really low water pressure in my home at about 15 PSI and sometimes even 0. I already have a check valve on my main 3/4" line from the water meter. Since electricity is pretty expensive where I ...
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Two water tanks at different levels to same output

The requirement here is something related with harvested rain water which is stored in one tank and fresh water stored at a higher level. The building in consideration would have 2 levels and upper ...
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Multi-level water storage tanks

Original water tank is one meter above ground and one meter in ground where the suction pipe is located. It fills with float valve approx. 80cm above ground. A new tank has been added sitting on the ...
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3 votes
2 answers
3k views

Replacing a well pressure tank

I have a 19 gallon pressure tank that appears to be waterlogged. When tapping the tank it sounds like it is completely full of water and when running the water in the house the pump cycles constantly. ...
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2 votes
1 answer
8k views

How to fix water leak coming from pressure gauge/valve on water tank?

The pressure gauge connected to my well water tank is dripping very slowly. Maybe few drops per day. I am guessing this based on the accumulated water in the container underneath. It seems that liquid ...
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2 answers
23k views

How do I shut off hot and cold water in the house

I want to replace a kitchen tap. I know how to turn off my main cold water supply, but I don't know how to shut off the hot supply from the large hot water tank in the basement. There is no valve ...
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2 answers
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My cold water tank, has one inch of brown sludge at the bottom, what should I do

For the first time ever I have looked properly at my cold water tank. It has one inch of brown sludge at the bottom, what should I do. I assume this is the tank that provides the water hot/cold to ...
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1 answer
185 views

Winterizing a home

I'd like to know how to winterize a home. Are there any special instructions other than putting in regular antifreeze in all fixtures , open valves to drain the pipes and drain the pressure and hot ...
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2 votes
3 answers
3k views

Can a clear tube added on the outside of a water tank be used to read the water level?

I have a water tank that I want to read the level on. I would like whatever device I use to be passive. I have seen the 'cat and mouse'-type weight and pulley device, which doesn't suit my purposes (I ...
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2 answers
3k views

Replacing pressure gauge on water holding tank

The water coming in from the well is supplied by thick rubber type pipe cut and angled with metal bands. There is no cut off valve to the water holding tank. I need to replace the pressure gauge (...
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1 answer
3k views

Purpose of hot water tank and boiler

What is the purpose of the hot water tank and boiler when it comes to a) heating and b) drinking water. When I switch on my boiler (not combi) for both heating and drinking water, I see a flame lit ...
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1 answer
600 views

Automatic turn off of water pump as water tank overflows (Manual turn on is needed)

I want to design a system that automatically turns off a water pump when the water tank is full. Some background and details: 1- The pump is connected to main water supply. 2- The pump should turn on ...
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1 answer
7k views

Why doesn't my pressure tank fill as expected?

I have a shallow well (1 hp pump) that feeds into a tank, and then travels another 200 feet to the house. If I turn on the pump, the tank does not fill up with water. If I let the air out of the tank ...
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1 vote
2 answers
419 views

What is this pipe beneath my tankless water heater?

While watching videos about draining tankless water heaters, I noticed none seem to have this beige pipe with odd silver cab at the end. Does anyone know what this is and its purpose?
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4 votes
2 answers
510 views

Replacing 47-gal electric water heater with no pan and elevated drain

I recently moved into a condo unit in Washington, DC (2nd floor of 2 story building) and I'm looking to replace the 47-gal lowboy electric water heater that's from 2003. The problem is that there is ...
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2 answers
2k views

Why does my pressure tank cycle so frequently?

I have a 40 gallon (bladdered) pressure tank in the basement which keeps pressure to my office building, and a 2-inch 2 horsepower submersible pump in a dug well 450 feet away. The pump is cycling ...
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2 votes
2 answers
18k views

How to connect 2 water tanks at different levels with one pump?

I have 2 water tanks installed in my 3 story building. 1st one is on top of the 3rd floor, the other one is on top of 2nd. The pump is installed at Ground Floor. Before now, the water flow was ...
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1 answer
2k views

Overflow pipe from water tank constantly dripping

My cold water storage tank overflow pipe is constantly dripping (and sometimes a small, constant stream of water). I assume the stopcock is on the way out. Here is a photo of it: And a closer up ...
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2 answers
3k views

What is the best way to clean a 300 gallon Water tank that was storing Canola Oil?

i'm not sure if this is the best place to ask this question, if not please let me know a better place. I just purchased a very cheap 300 gallon water tank. It was cheap due to the fact that they ...
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1 vote
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Cycle Stop Valve and well booster pump

I've been thinking about installing a CSV (cycle stop valve) after my F&W 2 horsepower booster pump to maintain a constant PSI at the house and put a stop to the water hammer. Has anyone done this?...
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1 vote
3 answers
12k views

can I fill a water tank from bottom?

I'm about to place a water storing tank at ground level and connect the water feeder pipe at the bottom of the tank. Would water fill normally as the top filling? Would atmospheric pressure + water ...
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-1 votes
1 answer
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Water tank anode rod replacement part

Heard that this part should be replaced and I can't find a replacement part for my model in my manual or online anywhere. Can I just buy a generic one at the hardware store and what kind should I get? ...
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1 vote
1 answer
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Regarding detaching a tube from a valve on the top of a water storage tank

I am trying to perform the tank sanitizing operation for the reverse osmosis system. One of the procedures involves detaching the tube from the valve, as shown in the first figure. The document does ...
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1 answer
43 views

Elec hot water tank

I just left my house on a vac and turned off the water but forgot to kick the hot water breaker , is this going to be a problem for me ?
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1 vote
2 answers
21k views

Water pressure calculation from overhead tank

My overhead tank is at 12m height. From there a 50mm diameter pipe is running down and up to 50m horizontally and then raising from there to 6m to 3 bathrooms (no shower) and 3 wash basins. Is this ...
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6 votes
4 answers
2k views

How can I prevent unpleasant smells and organisms in our water tank?

There is an 8000 liter water tank on top of my house which provides water for the house. Bacteria, fungi, algae, etc. often start developing in the tank, giving unpleasant smells, etc. The water is ...
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2 votes
1 answer
996 views

Is using a globe valve on a water supply line a bad idea?

Our rented house has an individual plastic water tank to which the colony supplies water from their tanks regularly. The main water pipe fixed to the tank that comes from the colony had a ball valve (...
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1 vote
2 answers
6k views

Water pump and pipe size for maximum water intake?

Each floor is 12 feet in height. I already have the pump (Centrifugal Regenerative Self Priming 1HP Peripheral Type, Self Priming - 180sec At 3m STATIC SUCTION LIFT) and would like to know which is ...
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