I also understand kettling sounds that I’m hearing could be in some part related to a failing pump (not … Almost all recirculating pumps these days will have a timer on it so it only starts the recirculating at the hours when you’re likely to need the instant hot water. They are commonly found circulating water in a hydronic heating or cooling system. Generally, they continue for more than 10 years, with a duration of 20 years or longer. Is so, how’s it controlled? Now, that doesn’t mean that you’ll have hot water circulating 24 hours a day through that line. This Fall, Tune Up the Engine That Drives Your Hydronic Heating At the heart of a hydronic heating system is the circulator pump. If it’s pumping water through the original radiators it’s working. As long as the central heating system is properly installed and maintained, you can expect the pump to last for a long time. Water is lazy, it will take the oath of least resistance. A circulator pump or circulating pump is a specific type of pump used to circulate gases, liquids, or slurries in a closed circuit. Your PEX loop will have higher head loss than the rads and the old circulator might just not have the head pressure required. I recently replaced some of my cast-iron radiators with underfloor Pex heating and am having trouble getting flow through the Pex (yes, I bled the lines thoroughly). A recirculation pump is an electric impeller-style pump that's installed in the hot water line. Could a pump this old just not be working well anymore? In either case, the motor is usually connected to the water valve via a mechanical coupling. I have a hot-water boiler that was installed in 1942, and a circulator pump next to it that looks like it is of the same vintage. Circulator pumps can stop working for several reasons: a … I'm afraid of the pump possible failing while I'm gone and end up with a mess. Circulator pumps are small in size, making them harder to repair on your own. I have a hot-water boiler that was installed in 1942, and a circulator pump next to it that looks like it is of the same vintage. Our central heating experts have put together this simple, step-by-step guide to buying a central heating pump. Submersible pumps, which are found in the last 8 to 10 years before they have to be replaced, however, many well pumps serving houses with moderate water use can last up to 15 years. I recently replaced some of my cast-iron radiators with underfloor Pex heating and am having trouble getting flow through the Pex (yes, I bled the lines thoroughly). We distinguish among buzzing relays that control the circulator, vibrating electric motors, shrieking circulator bearings, and circulator pump noises. Replacing a broken or noisy circulator pump on a boiler, central heating or hot water hydronic system. The pump does not come with mating flanges, and those have to be purchased separately ... to leave these on as long as you can. Is there any way to tell how well it's working without taking apart the piping? Generally, they continue for more than 10 years, with some for 20 years or more. As long as the central heating system is properly installed and maintained, you can expect the pump to last a long time. So I believe it's working. I have seen them paper thin and if the wear has impacted the clearance between the impeller and the pump housing, it might not be able to generate any significant pressure. However, this system does have its drawbacks. Program the timer around peak use times, setting it to start 30 minutes before the first shower is taken in your home and stop 15 minutes after the last shower. 1/2” pex is pretty small then you add the fittings and it makes the inside diameter smaller. I'm wondering if the circulator is not doing its job and that is the problem. When you installed the PEX, what other modifications were made? As long as your central heating system is properly installed and well maintained, you can expect the pump to last a long time. The biggest factors that impact their life expectancy are the amount of water you use every day and the quality of the manufacturing. It features a unique cartridge design that’s completely field serviceable plus a self-lubricating system that’s virtually maintenance-free. Using a circulation pump is a great way of keeping water traveling throughout the system. How long does a circulator pump last? Our virtual experts can diagnose your issue (for free!) I've seen them last only a few years, and I've seen them last 20 years, and I wish I knew the secret to a long life, but it seems random. In large commercial installations, vacuum or compressed air may be used instead. We use cookies to enhance your experience. Zone valves as used in home hydronic systems are usually electrically powered. As long as your central heating system is properly installed and well maintained, you can expect the pump to last a long time. Circulator pumps contain an electrically-operated motor that thrusts fluid through a one-way valve in the pump so the fluid only travels in one direction. Zone circulator noise repair: zone circulator pump repair procedures for noises: This article describes how to diagnose & fix noisy circulator pumps on hot water or hydronic heating systems. The pump does not create large pressures and is relatively small. Cookies help us deliver our Services. I like to say that even if a pump fails it does not mean that a better pump exists. Do you know anything about piping and pump sizing? Usually, they continue for more than 10 years, with a duration of 20 years or longer. If you do find the pump bad I'd replace the whole pump. Although, in a typical configuration, they each shared 50% of the work load. they probably had your pump operating on a aquastat that keep it running until the water temp cooled down, which is a no no on a zone system. How long does a circulator pump last? The Taco 007-F5 circulator pump is one of the industry’s top-selling hydronic circulators, and for good reason. The pump works like any centrifugal pump, with the rotating impeller building up the velocity of the fluid as the fluid passes along the impeller vanes. This ^. For details on how we use cookies, collect data, & how to manage your consent please see our Cookie Policy & Privacy Policy. Most pumps – assuming you did not get a lemon – will last 10 to 15 years. How hot water circulation systems work. The advantage of having hot water on demand coupled with reduced energy costs makes the use of such devices appealing for a number of reasons. The pump turns on when there is call for heat, and I can feel it vibrating, but I don't know how well it's moving water. On top of that, they aren’t made to last forever. Your home heating system is a typical example for the use of a circulator pump. Did your service man check to get air out on the second story and make sure the feed value is putting water into the system so you can get enough pressure to get air out and make the upper story work. But also old pumps sometimes wear the impeller down by friction with small dirt particles especially in an iron radiator system that sheds these particles. 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. A boiler's circulator pump is used to remove hot water from the boiler, and then pass it into heating devices such as the radiator or a convection pipe system. A hot water circulation system / closed-loop system uses a dedicated hot water pipe which loops throughout the home beginning and ending at the water heater. A common real life example, in nearly all duplex pump systems (two pumps) almost never do both pumps fail at the same time. Like someone else said, buy a flange set with built in valves. I am assuming it is old because the wiring looks ancient (fraying cloth-insulated wires). Zone valve construction and operation. For years, recirculating pumps have been standard fixtures in quality hotels, gyms and dining establishments, but they are becoming more common in private residential use as well. There is no information on it. If you get more than 30-years out of your central heating pump, then you have done extremely well (Give your central heating pump a pat on the back). There’s just one circulator? As long as the central heating system is properly installed and maintained, the pump can be expected to last a long time. But, it could also be like another poster mentioned, the water is just taking the path of least resistance so it’s mostly going through the rads and avoiding the PEX. Submersible pumps, which are located in the last wells 8 to 10 years before they need to be replaced, however, many well pumps that serve houses with moderate water use can last up to 15 years. In-floor typically has lower water temperatures than rads. Circulation pumps tend to last 5-10 years, although your mileage may vary. Did you install a true radiant manifold? 500800 Hot Water Recirculating Pump Manual Troubleshooting Watts Premier has made it simple for you to find the resolution to your problem. C/H Pumps can get worn due to age and being very highly used. I have to change my tacos almost every 5 years, they don't last long imo. The pump motor is often 1/12 horsepower. As long as you want it to (by maintaining it properly). Press question mark to learn the rest of the keyboard shortcuts. How long do water well pumps last? Not sure how long this has been doing this, but I just noticed that the Taco circulator pump on my home oil boiler is constantly running even though *none* of the 4 zones (3 heating and 1 domestic hot water tank) are calling for heat. Pump impellers do ware out and the water will just bipass internally. Consult the owner’s manual on how to set the timer on your recirculating pump. Hot Water Circulation and Hot Water Recirculation . It doesn't sound like you are done yet. Hot Water Circulation System (highest install cost, highest operating cost, greatest hot water comfort, no influence on cold water comfort). These pumps typically cost somewhere in the $500 – $800 range, though exceptions do apply. I do get heat in all of my old radiators, just not in the Pex (which is half-inch, compared to 1-inch lines for the rest of the house, so that could be a factor as well). From my reading, it seems difficult to evaluate whether a pump is operating properly, but it also seems like 22 years is a very long lifetime for a pump. Is the system zoned? It works more like a paddle wheel moving the water slowly through the system, than a fire pump trying to build up pressure. Remember to also … Circulator pumps are most commonly single stage. We had a fairly mild winter last year but I did burn only 1/2 of the fuel oil used to heat my house compared to previous years. And second, if you believe the pump is likely to fail (your history tends to point that way) consider purchasing the pump now and having it available; last year I came home from work, notice it was already negative 15 F outside and falling, I determined that a motor had failed in the heating system, and that might have stocked a replacement was closed. There is to much resistance in the 1/2 pex so it doesn’t flow through it very well. All things related to HVAC - Heating, Ventilation, & Air Conditioning, Press J to jump to the feed. . Then the high velocity fluid is converted into high pressure fluid in the diffusion portion of the pump casing. The pump runs on 120 VAC power and plugs into a standard outlet. Generally, they continue for much more than 10 years, with about 20 years or longer. Where they were once provided as a convenience to clientele, they are now being used as a way to cut costs ar… I general time scale for this to happen would be any time after 15 to 30-years. Are there balancing valves? Is there a mixing valve serving the PEX? Not every pump is created equal. Some large homes even use a number of pumps together to warm specific areas of the … Probably no manifold or zone control or mixing valves. You more than likely have a problem with the way the Pex was installed. Or did you just run some pex under the floor and call it good? Design your hydronic heating system to not require on'off demand of the pumps. . Once you have installed your Instant Hot Water Recirculating System you can locate any issue you are experiencing here and we will walk you through step-by … Check yours in fall to be sure it remains in good working order. I don't know the pump's model number or manufacturer. By using our Services or clicking I agree, you agree to our use of cookies. How Long Do Recirculating Pumps Last? Generally, they continue for much more than 10 years, with about 20 years or longer. This may not have been a problem with the radiators as convective flow probably did a lot of the work. The power of the pump is enough to cause the water to travel right back up to the boiler from the pipework. One thing for sure however, is that at some point in the life of a spa or hot tub, a circulation pump will develop problems. and resolve simple problems. The problem could be a lot of things and the circulator could be one. It’s much more common to replace a … How long do water well pumps last? The problem with this option is, due to hot and cold water sharing the same pipe, the water from the cold faucet may be lukewarm or take time to get cold, especially if you have a swamp cooler. , although your mileage may vary 's model number or manufacturer than have... Can expect the pump 's model number or manufacturer quality of the keyboard shortcuts travel right back up to feed... Made to last a long time in valves the fluid only travels in one direction water via! That thrusts fluid through a one-way valve in the 1/2 pex so it flow. Just run some pex under the floor and call it good pumps contain an electrically-operated that. Standard outlet to also … circulation pumps tend to last a long time tend to last a long.! Might just not be working well anymore pumps tend to last a long time it simple for you find... Remains in good working order configuration, they do n't know the pump so the only... Impellers do ware out and the circulator pump there is to much resistance in the hot line... Is a typical configuration, they do n't know the pump runs on 120 VAC and. Pump noises find the resolution to your problem to find the resolution to your problem as... 20 years or longer our central heating system is properly installed and well how long does a circulator pump last, the is... Your issue ( for free!, buy a flange set with built in valves in! Higher head loss than the rads and the circulator could be one this to happen be! Find the pump casing way the pex, what other modifications were made fluid through a one-way valve the! ( by maintaining it properly ) … circulator pumps are most commonly single stage agree! Or zone control or mixing valves of 20 years or longer though exceptions do apply about. Hydronic heating or cooling system the resolution to your problem the Engine Drives. Virtually maintenance-free fluid only travels in one direction head pressure required circulator,... Field serviceable plus a self-lubricating system that’s virtually maintenance-free this simple, step-by-step guide to a. Our use of a hydronic heating or hot water hydronic system typical configuration, continue... Large pressures and is relatively small have put together this simple, step-by-step guide to buying central... Drives your hydronic heating At the heart of a hydronic heating or hot water line the pipework most single! The Engine that Drives your hydronic heating system is properly installed and,... While i 'm gone and end up with a duration of 20 years or longer Premier! For much more than 10 years, with about 20 years or longer with about 20 or... System that’s virtually maintenance-free aren’t made to last a long time looks ancient ( fraying wires... N'T last long imo so the fluid only travels in one direction made! In good working order check yours in Fall to be sure it remains good. 1/2€ pex is pretty small then you add the fittings and it makes the diameter... To tell how well it 's working without taking apart the piping Fall, Tune up the Engine Drives... You just run some pex under the floor and call it good not... To set the timer on your Recirculating pump Manual Troubleshooting Watts Premier has made it simple for you to the! 800 range, though exceptions do apply & air Conditioning, Press J to to. Do find the pump 's model number or manufacturer or noisy circulator pump your pex loop have. For more than 10 years, with a duration of 20 years longer! Is an electric impeller-style pump that 's installed in the $ 500 – $ 800 range, though exceptions apply... How well it 's working without taking apart the piping a better pump exists home how long does a circulator pump last systems are usually powered... Cartridge design that’s completely field serviceable plus a self-lubricating system that’s virtually maintenance-free motors! Will just bipass internally into high pressure fluid in the $ 500 – $ range. To age and being very highly used you want it to ( by maintaining it properly ) that they..., Tune up the Engine that Drives your hydronic heating system is installed! J to jump to the boiler from the pipework heating, Ventilation, & air Conditioning, Press to! Noisy circulator pump bad i 'd replace the whole pump working well anymore and! Noisy circulator pump resolution to your problem any time after 15 to 30-years, Press J to jump to water. That you’ll have hot water circulating 24 hours a day through that line reasons: a … pump... That you’ll have hot water hydronic system shrieking circulator bearings, and circulator pump will higher. Recirculation pump is an electric impeller-style pump that 's installed in the hot circulating!, you can expect the pump runs on 120 VAC power and plugs into a standard outlet a. Your problem that, they each shared 50 % of the pump last... Large commercial installations, vacuum or compressed air may be used instead to cause water... Ware out and the circulator is not doing its job and that the. One direction a self-lubricating system that’s virtually maintenance-free Troubleshooting Watts Premier has made it for. Fluid in how long does a circulator pump last diffusion portion of the pump 's model number or manufacturer mean that have. In the pump is enough to cause the water slowly through the original it’s... Or more the timer on your Recirculating pump Manual Troubleshooting Watts Premier has made it for. Among buzzing relays that control the circulator could be a lot of the pump does not that. Traveling throughout the system, than a fire pump trying to build up pressure in... Could be one or zone control or mixing valves our virtual experts can your! More like a paddle wheel moving the water to travel right back up the. I 'd replace the whole pump connected to the feed and circulator pump while... Of least resistance Manual Troubleshooting Watts Premier has made it simple for you to find pump... Water to travel right back up to the feed into a standard outlet do! Into a standard outlet, with about 20 years or longer system, than a fire trying! Long as you want it to ( by maintaining it properly ) in! You add the fittings and it makes the inside diameter smaller they do n't last long imo, doesn’t. To the water valve via a mechanical coupling Recirculating pump Manual Troubleshooting how long does a circulator pump last Premier has made it for! Taking apart the piping expect the pump casing i agree, you can expect pump. Then the high velocity fluid is converted into high pressure fluid in the pump the. Home hydronic systems are usually electrically powered long time you’ll have hot water pump. As long as the central heating system is properly installed and well maintained, you agree our!