It returns the hot water back to your heater when you close the hot water faucet. Set up the pump by programming the times that you want the pump to run. In fact, it works best without it! But, this can also cause your water heater to cycle on and off more often. Run water at the far sink until all of the air is out of the lines. 4. These valves can be installed after the loop is completed. This means that as soon as you open a faucet or turn on a shower , warm water is already present in those pipes, so you don't need to waste water down the draining waiting for the water to heat up. If you use gas systems, then turn off the gas supply. A check valve must be installed in the line to ensure hot water only goes in one direction. The weird threaded fitting goes under the sink that's farthest away from the pump. It will come out. Our hot water recirculating system supplies hot water instantly at every faucet or shower. Ingenious! Reconnect the hot water line to the top of the recirculating pump, and tighten with channel-type pliers. This happens because the air will not move down to the water heater. If you have a loop that projects upwards, the cool water wants to fall down the loop while the hot water goes up. When the temperature of the water at the furthest fixture is within a few degrees of the hot setpoint, the pump stops (because at this point, the hot water lines are filled with hot or nearly hot water). The pumps circulate water at low pressure and low speeds. 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. Your recirculating pump will require a 120-volt outlet to plug it in. Check to make sure that there are no leaks at any of the connections before plugging in the power supply to the recirculating pump. No more waiting for the water to warm up. Aaron Stickley is a licensed plumber with first-hand knowledge in solving home plumbing problems. When water is heated, it gets lighter. You already have half of a gravity loop in place. We can install a reliable hot water circulating pump to ensure that hot water arrives within a … The timer allows you to set operation so the pump runs when hot water is most needed. CLICK THE IMAGE NOW TO ORDER THIS PUMP. It doesn't need to be fast. Get daily tips and tricks for making your best home. Some insulation, like the foam types, must be installed as you install the pipe, not after the loop is constructed. The recirculating pump kit includes most of what you'll need, including the check valve and supply tubes that are installed under the sink. At Tony LaMartina Plumbing Company, we specialize in solving residential plumbing problems of all kinds. Provides on demand hot water throughout your house without the need to install buttons and run wires. If you use the right one, the drain valve will screw right back into the tee. What are these? Normally it makes it to the top-most fixture in your plumbing system. Below is a brief process for you to use when it comes to installing such a pump. An aqua-stat is mounted to the hot … While the recirculating pump does use a small amount of electricity, this energy cost is offset by the water you save. If you install one of these pumps, remember that you need to install unions on either side of the pump. 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. 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. 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. It's that simple. 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. It wants to float to the top of cooler water. Normally, the hot water pipe will be the one on the left, and the cold water pipe will be on the right as they come out of the wall or up through the floor. A gravity loop will work fantastically without insulation. Below are the steps on how to install a hot water recirculation system or pump. Connect to each T-fitting a shut-off valve and water-supply line leading up to the faucet. Two Types of Recirculating Pumps Option #1 Full Recirculating Pump System. The hot water recirculation pump is simply installed by attaching it to the hot and cold-water lines on any kitchen, bath or water-utilizing appliance fixture, and any cold water you would previously have allowed to go down the drain while waiting for hot water, is now recirculated or ‘pump-returned’ to your water heater through the cold-water supply line. Introducing "One Thing": A New Video Series, Recirculating pump kit (including flex supply tubes and check valve). 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! Imagine if you did this upside down with a water line in a loop system. Modern water heaters have small rubber flapper check valves in the top of the heater. Shut off the water to the faucets by closing both supply valves controlling the hot and cold water supply tubes. CLICK HERE to get FREE & FAST BIDS from local plumbers who can install a hot water recirc system! Control the settings of the Recirculation Control via a smart phone app. Here we’ll learn how to install the Watts 500800. Provides on demand hot water throughout your house without the need to install buttons and run wires. Gravity fuels the motion. The return loop also needs to be  insulated except for a short distance before the loop connects to the bottom of the water heater. Hot Water Recirculating System Watts Premier Hot Water Re-Circulating pump provides water to your faucet or shower instantly, eliminating water waste caused by waiting for water to heat up. It is just important that the water is hot near the fixtures. It connects between the hot and cold-water shut-off valves at the farthest sink away from the heater. This return loop pipe connects into the bottom of the water heater. The pipe must stand away from floor joists so that the insulation is not crushed. 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. I've seen some aggressive homeowners install a shut off valve on both the hot and cold water line. Easy to install. 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. 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