Water flows into and out of the heater as needed. x 24 in. for pricing and availability. I did flush the hot water heater and the water was cloudy with small pieces of sand and grit-like sediment that settled to the bottom and even smaller white flecks that floated and appeared to be of the same material as the previously clogged faucet line.? In the event you are old enough to remember (or have an older house with) steam registers, you will be quite familiar with the famous pinging noise caused by air in the pipes.. Another common sign is when water sputters out of the faucet instead of flowing. What was the piping material? Thanks fellas! How Serious Is Diagonal Crack in Basement Wall? Both the supply water line and the hot water line from the water heater are hot. But, if your demand heater is only flow-activated, as many are, then when the hot water arrives from the tank, you will be overheating the water, and … But if you go farther down the line… +1 Good Answer, it will make your heater a lot less efficient and cause you to run out of hot water a lot quicker, this is due to the mixing affect when water is entering the top of the water heater instead of the bottom and also the hottest water will obviously be at the top of the heater. Up Next. Supply lines are usually made of plastic, galvanized iron, or (ideally) copper. The 3/4 in. Both replies here have helped. Powered by Discourse, best viewed with JavaScript enabled, supply line and hot line from water heater both hot, http://ep.yimg.com/ca/I/rewilliams_2181_152143772, http://ep.yimg.com/ca/I/rewilliams_2177_12080717. Will definitely do that next time. Now to the strange question, should the supply line be insulated at least for 24" to 36", or is that just a waste of money? Also copper piping is a good conductor of heat. In both cases, the temp is at the max. Signs of Air in Hot Water Lines. Heat traps would be a good idea. For example, there could be a hole in the dip tube, which supplies hot water to the bottom of the tank. Residential Solar Water Heater With Heat Exchanger USE & CARE … Fitting adapter to hot or cold water connections on heater.Any heat applied to the hot or cold water supply fittings will permanently dam- Open shut-off valve in cold water supply line.Open each hot water faucet slowly to allow air to vent from the … Retrieve Full Source Drop a new tube into your water heater. Click to enlarge and view additional images. Your water heater has a cold water line that constantly feeds water to the water tank as you use the hot water. There is cross-contamination between hot and cold lines. However, you will not benefit from adding insulation to the cold water side of the piping. That's the last copper line which should have an "H" or the word "Hot" on the water heater next to its connection. Could it be the pipe inside that sends the cold water to the bottom is broke off and down inside? One of these pipes connects to the water heater. Before removing the water supply tubes, verify that the water is turned off by turning on the hot side of a faucet somewhere in the house to see if water continues to flow. How far from the tank did you make your observation? Buy replacement lines of the same length at the hardware store. Warmer fluids are less dense, so rise. x 24 in. My lines are CPVC which is common for almost all new houses in my area and also is a poor conductor of heat which could point more towards equalization of the tank. If you've got a gas hot water heater, stick with gas, unless your breaker box has room for a new 240-volt circuit. As pressure in the tank rises, some water will move a little ways up the supply line to equalize. Both of the other two should be fine although the stainless one should last longer. I replaced this hot water heater a month ago, and this is when the problem occurred...before that, it was instant hot water all the time. TONY: That line is hot. Thanks again Ridgid ! I didn’t check the pipe in conjunction with running the hot water to check for a drop in temp. Great points, Chuck. Model #QFC-7524Z. Any idea why this might be? Find the hot water output line. Re: water heater supply lines - stainless or copper? Milky hot water is almost always a matter of pressure, but if your water heater isn’t showing high pressure, this could indicate a problem in your pipes. If it is not, you will have to switch out the valves under the sink to you can attach the washer line to the hot water pipe. Once inside, the water main line runs directly to your water heater. Shopping. Turn off the water and gas supply valves and/or the power. The cold water line splits here, between the water heater and for the rest of the house. SharkBite Water Heater Connector allows you to easily connect your Hot and Cold-Water Supply lines to your Water Heater. Never noticed this before. Both the supply water line and the hot water line from the water heater are hot. The recirc pump is hot, the pressure relief valve is hot, the recirc line is hot, but the cold supply line is hot, and the hot line is cooler than the cold supply line. They rarely require replacement, though you may have no choice but to do so after a couple of years of use. 1-ft To 3-ft 3-in-in Compression Inlet x 3-in-in Compression Outlet Aluminum Water Heater Connector. http://www.alohaplumbingatx.com Master PlumberLicense #40634 These are tips only. Your water heater also connects to a hot water line, where water flows out to different appliances and taps. Turn off the power to the water heater at the breaker switch. There are no valves of any kind attached to the hot line. Copy link. If you pay more than a dollar for the insulation, you’ve probably over paid. Water that enters your house is cold and travels through cold water pipes. Drove us crazy until i found the cause on this forum. 24-in 3/4-in FIP Inlet x 3/4-in FIP Outlet Corrugated Stainless Steel Water Heater Connector. If playback doesn't begin shortly, try restarting your device. Model #173036R. At one time the ss braided supplies had a huge problem. Check under the sink that the dishwasher line is actually hooked up to hot water pipe. The rubber inside hose, HOT HOSE, melted to a black goo and added oily specks to fixtures! Any idea why this might be? Check the connections with a … Copper is an outstanding thermal conductor. Tap to unmute. HoldRite. The installer used a torch too close to the top of the water heater when installing it and damaged  internal components. Once inside the home, the water line typically goes directly to the home's water heater, to ensure adequate water pressure to the hot water supply. Find My Store. How to Replace Water Heater Supply Lines Find the hot water output line. Considering the cost of insulating material, I can’t say it would be a “waste” of money. Is there a circulating pump on the Hot water line … Roy, [http://ep.yimg.com/ca/I/rewilliams_2181_152143772. An instance where water in some parts of the house are cloudier than others can be another sign of pipe issues causing increased water pressure. Reconnect the cold water supply line, refill the water heater tank with a faucet open on the hot side of the fixture to release the air, and only then restore power to your water heater. Showers and other applications don’t require such a high flow of water, so the water will be heated as you expect. After all these devices, the water line may split off to a hose bib or your yard's irrigation system. It's still rubber inside and in my opinion shouldn't be used on a hot water heater. Many modern water heaters have built-in heat traps to limit the migration of hot water. This is caused by the hot water working it's way up both the hot and cold pipes. Has anyone ever encountered this? Here’s a good book on basic plumbing that I learned a lot … A: It is normal for the incoming cold water pipe to get a little warm due to convection – that is, hot water rising in the tank. You may have thermal siphon in your hot and cold pipes. I was in a double wide today and checking a 30 gal electric water heater. Also metal pipes will conduct heat pretty well. Your email address will not be published. Remove the electrical supply access plate at the top of the water heater. SharkBite Water Heater The 3/4 in. How Does It Get To My Faucets? This could be both heat transfer through the water as heat rises and equalization. © 2021 BuildingAdvisor.com®; All rights reserved. However, hot water five feet back on the … I flushed the heater til the water was clear and there was no more sediment visible. Heat traps would be a good idea. Parallel water heater hookups (Which I think you are describing) basically are feeding cold water in parallel to multiple water heaters (i.e. When connecting your new water heater to the water pipes, you'll probably have to make solder connections, and a common mistake is to do this too close to the tank. HOT SUPPLY – This is located inside the tank at the top; this port allows the hot water to exit the tank and flow through your home’s pipes to whatever appliance you want hot water from. In hot water piping system, there is a possibility that the high pressure water will force itself into the lower pressure supply system when the mixing faucet is opened to both supplies, hence the pressures of the hot water and the cold water should be made equal at each fixture. Any idea if and what the malfunction might be. 30. Share. For example, this can happen in a washing machine or a shower valve. You will need to still shut off the water supply … All temps were taken without the hot water being used anywhere in the house and the water heater was not running at that moment. The copper tubing heats up whenever hot water is used in the house. Measure the hot water output and cold water supply lines. Choose a dip tube made of cross-link polyethylene (PEX), which won’t break down inside the hot water tank. A plumber will usually place a Tee in the line that will go to the water heater inlet. We just had a cold spell today, so I thought I would check my water heater surface temp and noticed that I get about the same temp (6 degrees difference) on both the supply and outlet lines. After applying pipe thread tape to the MIP nipples on your water heater, thread the FIP end of the Water Heater connector onto the tank and tighten with channel locks. This will be a shutoff valve on the cold water pipe leading to the water heater. Water heaters are integral parts of any home, especially during winter, or if you do not want to brave cold water from the showers in the morning. If your hot water heater has both the inlet and outlets on the top of it, you will not have to turn the power (gas/electric) off, but it will not hurt to turn it off. When you ran hot water in a fixture, did the supply pipe cool down? In all, I was wanting to know if this was a deficiency that I should call out. However, if the water flows through too quickly, it doesn’t have time to be heated. Info. So you may be feeling some conductive heat that comes from – the hot water in the water heater itself could be making that pipe warm. Log in. Watch later. https://inspectapedia.com/plumbing/Water_Heater_Noises.php, https://www.hotwater.com/lit/bulletin/bulletin12.pdf. Hot Water Heater Cold Water Pipe is Hot. http://ep.yimg.com/ca/I/rewilliams_2176_54429987, http://ep.yimg.com/ca/I/rewilliams_2177_12080717](http://www.rewci.com/whhohotwaci.html#). To replace the water heater flex lines, first shut the water off to the water heater. Just before connecting with the water heater, however, your main line splits into two different pipe paths. Unfortunately, I did not get a picture of the water heater, but I do not remember seeing one. The top line is a rubber hose with a stainless steel braid over it. DRAIN VALVE – This valve is not a part of your water heater’s daily use, but was created to easily empty the tank to replace the elements and remove sediment or to move the tank to a new location. I noticed that both the supply line going in and the hot line coming out were both hot at about the same temp. Preventing Mold On Bedroom Walls & Ceilings. TOM: Well, some of the heat from the water heater can be working its way back up the pipe. To be honest, and completely realistic, there is no danger involved in having the tank on with the water off, especially since the tank works through water pressure in order to supply the hot water and the tank pressure will be equal to your water pressure the whole time – if there’s no inlet water pressure, there will be no resultant outlet water pressure. The lines were your typical copper lines. Turn off the cold water supply valve connected to the cold intake line. Selkirk. “Each water heater has two elements, one at the top and one at the bottom, and if the water drains down and exposes the top element, that’s when it gets too hot and basically dry fires and shorts out and that would cause this element to no longer work,” said Jeff Arender, with Arender Plumbing Supply. Going only 12" up I see a difference of 15 degrees and the gap only includes the farther I go up the lines. Warmer fluids are less dense, so rise. Tankless heaters heat water as it flows through, giving you a never-ending supply of hot water on-demand. When the hot water from the heat pump tank arrives, it will vary the heating off so you are not overheating. There are a couple telltale signs that you have air in the hot water lines. To different appliances and taps going in and the gap only includes the farther go. Plumberlicense # 40634 These are tips only other applications don ’ t time. There was no more sediment visible and checking a 30 gal electric water heater when it! A cold water supply lines to your water heater when installing it and damaged internal components your?. The cause on this forum air in the dip tube made of cross-link polyethylene PEX... Signs that you have air in the dip tube, which won t! Was in a fixture, did the supply water line … Roy, http..., did the supply pipe cool down have built-in heat traps to the! Will not benefit from adding insulation to the cold water side of the water heater connects. 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