This is your hot water piping distribution system which begins at your water heater and ends at the farthest fixture which requires hot water. A check valve must be installed in the line to ensure hot water only goes in one direction. Beyond providing convenience and increased comfort, a recirculation system can save 10,000-15,000 gallons of water each year that would otherwise go down the drain as a homeowner waited for hot water to travel from the water heat heater to the faucet or showerhead. Visit our Customer Support page to find the answers you're looking for. It's happened more than once. Look at yours and you'll see what I mean. A hot water recirculation system is designed to provide hot water to each of the home’s hot-water taps instantly. A domestic hot water (DHW) recirculation system can do that as well as prevent lukewarm water from being dumped down the drain by bypassing it into the cold water line. It is designed to provide hot water on demand. With a recirculating pump installed, the water in the hot water line is constantly recirculating back to the water heater, which means that it is always warm and ready for use. These pumps are often located near the water heater, however, they can be anywhere in the loop. Saves water, time, and money. With this option, an additional pipe that is designated for hot water is installed in your home’s plumbing. Then as soon as possible install a tee fitting with female threads at the tee. Reconnect the hot water line to the top of the recirculating pump, and tighten with channel-type pliers. The check valve is a heat-sensitive valve that circulates water back to the water heater until it is warm enough, then shuts off when the water in the hot water pipes is warm enough for use. Should you experience a power outage, the timer on the recirculating pump will need to be reset in order to start and stop at the proper times. Piping installation methods must also be altered. Installed in less than two hours, the system uses a bypass valve and pump with a 24-hour programmable timer to keep hot water available in the lines for immediate use. You can loop the flexible line if necessary, but make sure there are no kinks that might restrict the water flow. Typically, the pump is installed in close relation to the holding tank, but you can also install recirculating pumps near faucets which are used often to provide instant hot water at that location. Here we’ll learn how to install the Watts 500800. A recirculating pump installed in the plumbing lines creates a loop that slowly and constantly circulates the water in the hot water pipes back into the water heater for reheating. Control the settings of the Recirculation Control via a smart phone app. Unlike some other systems, this system requires no dedicated hot water loop, and it works through means of a circulating pump installed at the water heater and a check valve installed at the sink farthest away from the water heater. This is a reliable recirculating pump you can install on top of your water heater. A pump at the water heater moves hot water through the recirculation line. The pump , timer and cross over plumbing to use the cold water line as the recirculating line can be purchased in a kit usually under 200$ For the basic kit. Air exit tanks on heating boilers and circulator pump mounting location - some heating boilers use an air exit tank mounted on the hot water header above the heating boiler to combine the function of an Expansion Tank with the Air Bleeder Valve or air purge valve to rid the hydronic (hot water) heating system of un-wanted air. Aaron Stickley is a licensed plumber with first-hand knowledge in solving home plumbing problems. If you live in a house on a slab or where a majority of the hot water lines drop below the water heater, you need to use a recirculating water pump. Make sure they are connected to the correct valves. The valve should be within 5 feet of the water heater and it needs a 1/8-inch hole drilled in the flapper of the valve. Air can get into a plumbing system in any number of ways: If you create a trap, the air will collect in the trap and BLOCK movement of water within the return loop. If you insulate the entire system too well, it may not work! While the recirculating pump does use a small amount of electricity, this energy cost is offset by the water you save. What are these? A hot water recirculating pump is installed on your water heater, returning unused hot water back to the water heater. Our hot water recirculating system supplies hot water instantly at every faucet or shower. Water meters are always installed using unions. The only thing that's important is hot water is near each fixture when you need hot water. Attach a wrench to the valve and turn counterclockwise. Once you decide to install a gravity recirculating loop, you need to be concerned with energy loss. All of the hot water lines that lead from the heater must be insulated. The two videos are very helpful but there are written instructions below. 4. This return loop pipe connects into the bottom of the water heater. Think about the drain traps under your sinks. Set up the pump by programming the times that you want the pump to run. Remember, the water has to cool at some point for the loop to start its gentle movement. Air naturally bubbles out of pressurized water. We can install a reliable hot water circulating pump to ensure that hot water arrives within a … Page 1 INSTANT HOT WATER RECIRCULATING SYSTEM INSTALLATION AND OPERATING INSTRUCTIONS Save manual for future reference 12" Supply Line and Adapters Pump and Comfort Valve CS VW MH26400 65GM ANSI/NSF STD. On demand recirculation pump for hot water recirculation system. This valve will prohibit in-rushing cold water from the bottom of the hot water heater from flowing backwards through the loop when you open a hot water faucet somewhere within the system. While on the subject of valves, let's talk about the shut off valves on top of water heaters. 61 LISTED ® ® ANSI/NSF 61 DRINKING WATER SYSTEM COMPONENTS MAXIMUM USE TEMPERATURE: 140°F Mfg. Provides on demand hot water throughout your house without the need to install buttons and run wires. The rapid movement of water through the pipes when you turn a faucet on pushes the air out of the way. Most systems will follow this same process or something close to it. This is always the location of the heater drain valve. The weird threaded fitting goes under the sink that's farthest away from the pump. If you begin to get cold water at a faucet when you should get hot, you know you need a check valve. I suggest that you leave the final 15 feet of return loop uninsulated. Install a ball valve on the loop side of the tee so if you want to drain the water heater you can shut off the ball valve preventing all the water in the loop from coming out of the boiler drain. How to Get Quicker Hot Water With a Hot Water Recirculating System, How to Disconnect and Remove a Dishwasher, Get Instant Hot Water With a Standard Water Heater, How to Install a Reverse Osmosis Water Filtration System, How to Replace a Compression Shut-Off Valve, How to Turn off the Water for Plumbing Repairs, How to Fix Water Hammer in Plumbing Pipes, How to Troubleshoot and Repair an Electric Water Heater, How to Install a Self-Piercing Saddle Valve, How to Fix Inconsistent Water Temperature, Troubleshooting Common Problems With a Gas-Fired Hot Water Boiler. It returns the hot water back to your heater when you close the hot water faucet. The pipe must stand away from floor joists so that the insulation is not crushed. The timer allows you to set operation so the pump runs when hot water is most needed. The check valves are mandated to preserve energy in non-insulated piping scenarios. While the most obvious benefit of hot water recirculating pumps is that you’ll have access to virtually instant hot water from every sink in your home, you’ll also be saving a lot of water. Includes pump, hose kit, bypass valve … If you ever have to shut the water off to the house, make sure and unplug the pump to avoid burning it out. They fit snugly over different sizes of pipe. There are several different designs for such systems, but the instant hot water recirculating system we'll show you here is fairly easy to install in an existing system. If you purchase a. CLICK HERE to Get Tim's FREE & FUNNY Newsletter. What makes this a not so attractive option for people is that it requires some additional plumbing to bring that loop together. You remove the drain valve and install a 3/4-inch nipple, a ball valve, a tee and a new boiler drain so you can drain the heater. Many insulating materials are made exclusively for water piping. If you install one of these pumps, remember that you need to install unions on either side of the pump. Introducing "One Thing": A New Video Series, Recirculating pump kit (including flex supply tubes and check valve). It wants to float to the top of cooler water. If you don't remove these flappers, the water can't move through the loop. As you construct your loop system, you must be concerned with air traps. Shut off the water to the faucets by closing both supply valves controlling the hot and cold water supply tubes. It's that simple. This valve is simply screwed into the heater. This is most likely when the water heater is plumbed with rigid copper piping rather than flexible tubing. We respect your email privacy. Two Types of Recirculating Pumps Option #1 Full Recirculating Pump System. Remember, you are bleeding heat from the heater when the loop contains hot water. There are two parts to this installation: The Pump and the Sensor Valve. On demand recirculation pump for hot water recirculation system. Set up the pump by programming the times that you want the pump to run. Some systems need them because of friction loss and other obstructions that make it easier for the hot water to flow backwards through the loop rather than the correct direction - from the top of the heater! Ingenious! You get all the water savings of a recirculation loop, with no more energy used than would be needed to feed faraway fixtures without the loop. The recirculating pump kit includes most of what you'll need, including the check valve and supply tubes that are installed under the sink. Control the settings of the Recirculation Control via a smart phone app. The timer allows you to set operation so the pump runs when hot water is most needed. There are numerous ways to insulate the pipe. It has 3/4-inch pipe thread connectors, and you place it in the hot water line next to the water heater or near the fixture that needs the hot water.
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