Circulating pump: What is it & why is it important?
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Date: 2023-11-17
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Comments and reviews: 15
Chuck
So I've had a working idea around this type of system before. This looks like the same style circulatory system used to heat floors or driveways during the winter. I have multiple fish aquariums, and I've had an idea of running sealed pex piping, in and out of the tanks, in series with hot water running through a cycle like this, in hopes that the temperature of the pex can maintain a constant temperature to heat the water, and eliminating the need for multiple electric heaters. Does this theoretical system seem like it would be feasible in this scenario?
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So I've had a working idea around this type of system before. This looks like the same style circulatory system used to heat floors or driveways during the winter. I have multiple fish aquariums, and I've had an idea of running sealed pex piping, in and out of the tanks, in series with hot water running through a cycle like this, in hopes that the temperature of the pex can maintain a constant temperature to heat the water, and eliminating the need for multiple electric heaters. Does this theoretical system seem like it would be feasible in this scenario?
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Jeanie
I have a recirculation pump on the hot water heater downstairs, the recirculating line like this upstairs under my for the sink. I turned off the recirculating pump, and I unplugged the timer. I am still getting hot water almost on demand upstairs in that bathroom and I dont want it recirculating because I just found out how bad my copper pipes are. Why is it still coming up there so quickly if the pump is unplugged and what pipe is it recirculating through? The cold pipes? Would it help if I had someone remove the thing under the sink upstairs?
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I have a recirculation pump on the hot water heater downstairs, the recirculating line like this upstairs under my for the sink. I turned off the recirculating pump, and I unplugged the timer. I am still getting hot water almost on demand upstairs in that bathroom and I dont want it recirculating because I just found out how bad my copper pipes are. Why is it still coming up there so quickly if the pump is unplugged and what pipe is it recirculating through? The cold pipes? Would it help if I had someone remove the thing under the sink upstairs?
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David
So, I don't have a hot water loop and have one of those temperature controlled one-way valves at my furthest faucet that dumps the cold hot water into the cold line until actual hot water shows up. How much is this type of pump restricting my normal hot water flow when it's NOT running? I only run it on demand or on a schedule. Doesn't seem like it restricts it at all.
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So, I don't have a hot water loop and have one of those temperature controlled one-way valves at my furthest faucet that dumps the cold hot water into the cold line until actual hot water shows up. How much is this type of pump restricting my normal hot water flow when it's NOT running? I only run it on demand or on a schedule. Doesn't seem like it restricts it at all.
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Red
Wow! I've never had anyone explain an impeller and such a great way, I didn't know it was actually centrifugal force pulling the water away from the center that caused the whole thing to work. Thanks so much for your help I was interested because I'm at an Airbnb that has a water circulating system and I was wondering why the shower was instantly warm.
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Wow! I've never had anyone explain an impeller and such a great way, I didn't know it was actually centrifugal force pulling the water away from the center that caused the whole thing to work. Thanks so much for your help I was interested because I'm at an Airbnb that has a water circulating system and I was wondering why the shower was instantly warm.
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Jesse
I've always wanted hot water immediately to the master bath but I've had the nagging feeling that a circulating system would be wasting energy in heat loss when not in use. But I suppose I'm also wasting water while I'm waiting for it to heat up. Insulating the heck out of the pipes would make me feel better about it.
Thoughts, anyone?
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I've always wanted hot water immediately to the master bath but I've had the nagging feeling that a circulating system would be wasting energy in heat loss when not in use. But I suppose I'm also wasting water while I'm waiting for it to heat up. Insulating the heck out of the pipes would make me feel better about it.
Thoughts, anyone?
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Zendukai
We have a lime system, in our process effluent plant the lime circulates around a ring main pipe system, reason is, if the lime stops circulating, the pipes will block. If the pH of the liquor drops on the pH probe, the computer system program (IFIX) will put a shot of lime into the reactors to bring the pH up to 9.
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We have a lime system, in our process effluent plant the lime circulates around a ring main pipe system, reason is, if the lime stops circulating, the pipes will block. If the pH of the liquor drops on the pH probe, the computer system program (IFIX) will put a shot of lime into the reactors to bring the pH up to 9.
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Kineth1
I recently bought one of these for my home hot water. It includes a neat temperature-activated valve that goes under a sink, and bridges the hot line to the cold, enabling water to return to the tank until the hot supply at that faucet gets up to temperature.
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I recently bought one of these for my home hot water. It includes a neat temperature-activated valve that goes under a sink, and bridges the hot line to the cold, enabling water to return to the tank until the hot supply at that faucet gets up to temperature.
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Animus
Are they supposed to run all the time, I noticed ours which is above our boiler for our home forced hot water heating/hot water, basically runs all day long quietly. i never noticed it is basically running all the time, is this normal?
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Are they supposed to run all the time, I noticed ours which is above our boiler for our home forced hot water heating/hot water, basically runs all day long quietly. i never noticed it is basically running all the time, is this normal?
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DBR00
Can a circulating pump burn out if I turn off the hot water from the hot water heater and leave the pump plugged in? I think I blew out my pump because I no longer get instant hot water.
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Can a circulating pump burn out if I turn off the hot water from the hot water heater and leave the pump plugged in? I think I blew out my pump because I no longer get instant hot water.
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timbro71
I have worked in the pump industry for over 22 years and that was the best explanation of how a centrifugal pump impeller operates I have heard. Well done mate
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I have worked in the pump industry for over 22 years and that was the best explanation of how a centrifugal pump impeller operates I have heard. Well done mate
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Emmanuel
You missed the fact that you need your pipes to also be able to circulate back to the heater vs most are just long runs one way and stopping by water outlets.
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You missed the fact that you need your pipes to also be able to circulate back to the heater vs most are just long runs one way and stopping by water outlets.
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yuri
Great video and very easy to understand for your average layman. I worked with huge pumps for boilers and chillers in a hospital and know all about them.
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Great video and very easy to understand for your average layman. I worked with huge pumps for boilers and chillers in a hospital and know all about them.
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Das
Man, I've learned so much about things that I didn't even know existed, much less what applications they were used for. Thanks for doing these videos!
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Man, I've learned so much about things that I didn't even know existed, much less what applications they were used for. Thanks for doing these videos!
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rjan
This is nice, but I wish there was an explanation for why you might want to use a dry runner or wet runner circulating pumps in a system
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This is nice, but I wish there was an explanation for why you might want to use a dry runner or wet runner circulating pumps in a system
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DeeP
Oh yea exactly what i was searching! can these pump 150-200c fluid? cud u cover high temp fluid pumps in CSP plants?
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Oh yea exactly what i was searching! can these pump 150-200c fluid? cud u cover high temp fluid pumps in CSP plants?
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