Duck_Tape Senior Member Posts: 413 Joined: Tue Jan 26, 2010 8:49 pm Ball valve in loft tank, valve or washer replacing? Float Valves. On most central heating systems, this can take years to turn to brown sludge and then once its in the … Contains 22mm Tank connector, Part 2 Ball valve, … Central heating header tank; Central heating ball valve; Isolation valves; Hot water cylinder; Expansion tank; Central heating pipe work; Contact us for more information. Not the heating cistern. Shop at Toolstation for free delivery when you spend over £25. Tank will need a lid and overflow etc to regs. Nearly all of these header tanks were fitted with a float operated valve (ball valve) which automatically topped up the central heating system water as necessary. It’s a device that controls the water level and consists of a metal or plastic arm with a plastic ball on the end that floats on the water. They work by rising with the water level in the tank which in turn activates a lever which then shuts the valve. This will lift the ball valve, stopping the flow of water. View our expansion vessels, water storage tanks and water tank jackets for central heating tanks. 9 posts • Page 1 of 1. I have roughly 20cm cubed to fit the tank in to. Overflows can indicate problems with your central heating or taps, but they’re sometimes caused by faulty ball valves. But it does make a difference to the available space. There are a number of common central heating problems that might cause your radiators to be cold. Most of these tanks are fed by a ball valve on mains pressure. Read our cookies policy. Hot water venting into header tank, this issue not covered on previous posts, VENTED central heating system - water circulating through header tank, Low loss header connection Inc pump to unvented system, Sealed system efficiency compared to open system. Plumbing questions, answers, tips and tricks. the ball valve in the header tank is dripping so am going to replace it, but which do i buy a low or high pressure one? The ball cock on the tank is not dripping at all, so the question is why is the tank full to the overflow pipe level As the water empties the tank during a flush, the ball float drops and the valve then re-opens to refill the tank. We have teamed up with the industries best to help you find a trustworthy tradesman local to you! Use in cold water storage tank, central heating feed and expansion header tank, etc. Discovered the actual cause of that drip; hot water tank header tank. The overflow pipe is from the central heating header tank (i think this is right term for it) is where the water is coming from The water was nearly to the overflow pipe level. Open vent pipe. All ball valves are supplied suitable for high pressure as standard. How to patch a hole in a toilet waste pipe? The cistern is usually found in the loft, the small tank. As well as the tank that stores the water, header tanks are made up of: An overflow pipe that runs outside. DIY Doctor has the answer! Looking at the fall on the overflow pipe this is very unlikely, but couldn't think of anything ... would expand and fill the small central heating header tank. 0 0. Got a weird one here. Within this area of our site have literally hundreds of how-to guides and tutorials that cover a huge range of home improvement tasks. How can I cure my gravity circulation problem. The ball valve in a feed and expansion cistern is set so that when the central heating system is cool, the water level is only slightly higher than the outlet at the base of the cistern. Welcome to PlumbersForums.net - The international free. About Us. Header Tank Overflowing - Not the Ball Valve. VAT £9.99. Hi An update. “Cocks” stop water at mains pressure entering the loft tank. Could be possible that this valve is broken, or possibly stuck (the ball should be floating on the surface of the water in the tank). They can also act as a Feed and Expansion tank (F+E) for the heating system. ... thats where its going to.best way to check is to empty expantion tank, tie the ball valve up, then come back to check later, if there is water in the tank then you have a new cylinder sisuation. The tank in the loft would be the header tank which provides the pressure to your central heating system to ensure that the radiators fill up. All radiators are full with no air in the system. Each. Top Trade Brands. Well, if no, then we certainly do! - Checkout our specific plumbing forum for you:USA Plumbing Forum, Discuss Header tank for solid fuel open vented central heating in the Plumbing Forum | Plumbing Advice area at PlumbersForums.net. Very strange. Pressure Relief Valve Needed After Removing Header Tank. There is only one pipe between the header tank and the system. Ballcocks also known as float valves, are found in water tanks and are used to control the flow of water into the tank. On closer inspection I found that the water is entering the header tank from a copper pipe that runs from the hot water tank down stairs (hence why the water in the header tank is warm.) Can a Header Tank be connected to a Cold Water Tank? ... eliminating the feed and expansion tank and associated pipework, thus … Hate-DIY New Member. “ Gate valves ” stop water coming from the tank, which is at a lower pressure. Part 2 ball-cock valves are quieter than the part 1 version and give better protection against backflow. Rated 5 out of 5 by Willlmultitasker from Ball valve A quick and easy replacement for the leaky ball valve in my water tank ,I noticed the overflow was dripping and for the reasonable price for a replacement part was not worth the hassle of stripping down the old one . Established in 2002 we are a Sunderland based family run business with a wealth of skill, knowledge and experience in the plumbing and heating industry. 1/2″ Part 2 Ball Cock Float Valve & Plastic Float, High Pressure Part No: 9153933. From the United States of America? Analogue pressure gauge. These are typically found in the cistern of your toilet. In fact, it is becoming more difficult to find low pressure ones now as they are now almost never installed.