Questions tagged [pump]

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Failing recirculating pump? Only one faucet slow to heat

10 years ago I had professionally installed a recirculating pump (Grundfos UP15-29SU) in our house. Essentially all hot supply lines were replaced by a single loop feeding all the faucets one after ...
user677660's user avatar
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1 answer
21 views

I want to wire two pumps so that one turns off when the other turns on

I have an aerator pump in my septic tank that runs continuously. I want to wire a timed septic pump to the same circuit so that the aerator turns off when the septic pump turns on.
Jeff's user avatar
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Trying to control my heating recirc pump Aplha1L Grundfos, with a signal from thermocouple. What connections are used on the pump to connect stat

I can run the system on manually and it works fine but I don't know how to connect the thermocouple to the pump so it's turned on when water hits a certain temperature and gets off when the ...
Luci-fur's user avatar
2 votes
1 answer
48 views

No pressure, low volume from submersible well pump

Got a new submersible pump. Brought the old one to a plumber's supply house and got one with the same specs: single phase, 240v 3-wire. I attached the pump to the pipe, connected the wiring, and ...
Cheery's user avatar
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Why does my indoor blower shut down 5 min after when I turn to heat mode?

I have a Tempstar Heat pump system and starting this year I went to heat mode. Heat pump comes on along with the indoor blower. 5 min later the indoor blower will turn off but heat pump remains ...
Cole's user avatar
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1 vote
3 answers
89 views

How do you keep a flexible rubber coupling from popping off?

I have an effluent tank with a 2" pipe to the leach field about 200 feet away, and a 2" sewage pump. I went with a 2" rubber coupling and 2" PVC and check valve mainly to allow ...
rtaft's user avatar
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1 answer
112 views

What should be changed in this well-source residential water system to prevent future leaks?

I have a system which has experienced 2 valve housing failures in 6 years. The valves were both 1" brass quarter-turn shutoffs at the entry point into the house for the water supply. After the ...
Jean-Paul Calderone's user avatar
1 vote
1 answer
124 views

Basement Flooding / Sump Pump

Basement flooded over the weekend. The same type of flooding has occurred 3 times in the last 6 years. The sump pump was replaced during the first occurrence. However the problem continues to occur. I ...
cls1989's user avatar
  • 19
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1 answer
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New well pump, and foot valve and suction line

Ok to explain alittle, our well pump went out... I replaced pump... then the foot valve clogged and sucked the suction line flat causing it to fall off... and suck air... I then replaced foot valve ...
Kingofdragons612's user avatar
2 votes
1 answer
306 views

Can abruptly turning the main power switch to a heat pump off while running in cool mode damage the unit?

My heat pump was running on Cool for air conditioning when the power valve outside was switched off. The fan kept running but the cooling element wasn’t working. I noticed the problem when the ...
Pam's user avatar
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1 answer
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Pump well and hot water heater

I have a few questions honestly. I work away on towboats so I'm away from home a lot when things go bad, my fiance contacted me to let me know the hot water heater is leaking in the house and has been ...
Stephen Alaniz's user avatar
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1 answer
78 views

Why is there a small pump on the cold line above my water heater?

Can someone help me understand what I’m looking at and how it works? Between the expansion tank and my water heater is a T that goes to a Y strainer then a small pump and valve. That line runs ...
Jeremy P. Beasley's user avatar
0 votes
2 answers
216 views

Do heat pump water heaters need to connect to outside for any reason?

My roommate is considering a heat pump water heater, but the HOA doesn't allow a lot of connections on the outside of the house, so we were wondering what connections are necessary. I heard it's ...
Dddddddd's user avatar
1 vote
0 answers
158 views

(How) can I correctly add a utility sink to this washing machine drain setup?

The Background: Shown here, the lovely setup behind my unfinished-basement washing machine. This was all installed just before we bought the house a few years ago, because the sewer is about a foot ...
CameronSS's user avatar
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1 vote
1 answer
132 views

Basement Bathroom water ejector/sump pump running sporadically and bolts stripped

Our basement bathroom has a water ejector/sump pump, as seen here : Basement sump setup I've heard it running every hour today and last night, yet no one has used it. We had a heavy rain on Monday but ...
joshhouse's user avatar
0 votes
3 answers
95 views

What kind of motor is this AC or DC

I need to know what type of pump this is our motor this is is it a AC motor or DC motor
Jeremy's user avatar
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1 answer
162 views

Pool skimmer doesn't appear to be working. Do I need a stronger pool pump?

Here is a video of the pool pump working at full steam: https://drive.google.com/file/d/1xy2wzYSvpXmjv5pM3PqPSNuu558SkGhR/view?usp=sharing It is a 1.85HP Hayward Tristar Variable Speed (https://www....
A O's user avatar
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Water pump coming on on its own & how do reed switches sense water flow?

I live in a single floor apartment with a cold water tank fed from the mains, above a hot water tank which is fed from above. The outlets from the hot and cold tanks go into a pump and from there to ...
KevInSol's user avatar
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1 answer
29 views

What are they downsides of composite body circ pumps?

I'm going to be replacing some potable water recirculating pumps and I noticed that the Taco 006e3 appears to be a completely nonmetallic system. This pump's curves fit my needs but I've never used a ...
Matthew's user avatar
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2 answers
147 views

What adapters do I need to securely connect a garden hose to this frame in conjunction with the water pump's 1/2" MNPT output?

What I need: A secure way to connect a garden hose to a water pump using lead free adapters and/or connections. The pump output is 1/2" MNPT and is positioned approximately 3"-4" from ...
giuseppe's user avatar
  • 101
1 vote
1 answer
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Why isn't my new pressure tank filling?

I replaced the pressure tank as the old one wouldn’t hold air. The new one was changed to 38 lbs. so I lowered it to 28 to match the power controller of 30/50. There was low pressure before I change ...
user167016's user avatar
-1 votes
1 answer
79 views

Can I use 0.5 HP slow speed monoblock for high pressure car cleaning

I have 0.5 HP self priming slow speed monoblock pump which gets the water to overhead water tank. I'm thinking to have a lever to divert the water from pump to high pressure water gun with hose. Is it ...
CuriousMan's user avatar
1 vote
0 answers
159 views

Submersible pump starter - choosing the right relay

A few months ago our submersible pump starter stopped working and the local repair shop guy diagnosed it as a relay issue and replaced it. While the starter is working fine since then, my concern ...
Chethan S.'s user avatar
3 votes
2 answers
563 views

How can reduce swimming pool pump vibration through the ground?

Constant humming noise in my house from my neighbor's swimming pool pump and setup. Its not very loud when standing next to it, but it does generate a humming sound in half of my house (which is about ...
joe's user avatar
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1 vote
0 answers
40 views

5hp submersible pump, dual purpose: irrigation and home use

I just had a new 4" open well drilled (Florida) with 5hp submersible pump. The primary use of the well is irrigating 1.5ac property. I also want to use the same well and pump as a backup for our ...
Dimpav's user avatar
  • 11
0 votes
1 answer
33 views

Borehole pump pressure drops when float valve closes

I have a borehole that is connected to a pressure sensor and an expansion vessel. A pipe runs up a hill to a large holding tank, which has a float valve. I have connected the pressure switch to switch ...
Nick Johnson's user avatar
1 vote
1 answer
52 views

Heat pump stops operating too early

We have an Amana heat pump model ASZ140301. According to the manufacturers specs it's supposed to provide heat down to minus 5 celsius. I was installed about 4 years ago but has never run when the ...
Frank's user avatar
  • 11
1 vote
1 answer
572 views

Can a water pump be higher than the tank elevation?

I have a water tank that is on a higher elevation that needs to be filled with water from the bottom tank. Would it be possible for the the pump to be on the top? This will greatly save me some money ...
DrakeJest's user avatar
  • 121
2 votes
2 answers
146 views

Is "head range" critical when selecting a hot water recirc pump?

I've been looking at hot water recirculation pumps for some time now. In looking at an on-line review page (I know, take them all with a grain of salt) I saw one that lists the "Head Range" ...
FreeMan's user avatar
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2 answers
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Recirculating Pump Question

We recently completed a master bath remodel project. Part of that project involved running a separate hot and cold supply line for the walk in shower. Additionally, we opted to add a recirculation ...
Dom's user avatar
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1 vote
3 answers
187 views

Why is my well pump overpressurizing?

I have a Franklin 3/4 hp submersible pump 100’ deep in my 5” well bore. I just replaced it as it was showing a consistent overload light on my pump controller. I made sure to test it after I pulled it ...
Bob's user avatar
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0 answers
33 views

Should a supporting pump be at the bottom of it's loop?

I'm renting and the boiler is located next to my bedroom. A helper pump has been installed, but is very loud. And the boiler keeps failing, having to be reset. I heard that with water cooled CPU's the ...
MrFox's user avatar
  • 101
0 votes
1 answer
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Pump for hot water heater making noise

The city shut off water for a couple hours overnight without notice. When I tried the faucet in the morning it ran dry. I also noticed that a pump in front of my hot water heater started making noise, ...
Matt Kneiser's user avatar
2 votes
1 answer
564 views

Can I install a "retrofit" hot water recirc pump with a dedicated return?

I'm looking to install a hot water recirculation pump in a new construction bathroom addition with all the walls currently open to the crawl space.(1) In doing so, I plan to add a "tepid" ...
FreeMan's user avatar
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0 votes
2 answers
858 views

Where can I install a recirculating pump?

I'm looking to install a hot water recirculating pump to minimize the wait for hot water in an upstairs bathroom addition. This bathroom will be at the farthest point in the house from the water ...
FreeMan's user avatar
  • 43.1k
-1 votes
1 answer
151 views

Concrete lid in basement-what is it for? [closed]

Does anyone know what this heavy concrete lid is for? It is approximately 2ftx1.5ft. It is 6-7 ft away from my sump pump. I started getting little water leak under the lid and sump pump works fine ...
victor's user avatar
  • 41
1 vote
2 answers
53 views

condensate line [closed]

2nd floor condo unit sharing condensate line with 1st floor. 1st floor installed condensate pump now my condensate safety continuously goes off as there is water by the safety. We have had the ...
user162113's user avatar
1 vote
1 answer
85 views

Proper order of valves in heating pump systems? [closed]

I believe I have a basic understanding of the usage of each component. That being said, I lack knowledge of the proper installation order, especially regarding non-return valves (among others). I have ...
servant0's user avatar
  • 417
1 vote
2 answers
68 views

Proportional circulation pump control - possible for "simple" pumps?

Thinking of implementing proportional pump control to raise efficiency in our hot water based heating system. Proper proportional control is possible using PWM control in high quality pumps like the ...
ppeterka's user avatar
  • 151
1 vote
3 answers
524 views

How can I drain water from a bucket into my kitchen sink without lifting it?

I have a portable washer from which I drain water (from its hose) into a bucket and then must lift the bucket (from off the floor) to pour the water into kitchen sink. This bucket-lifting is getting ...
Edna Payne's user avatar
2 votes
1 answer
140 views

How can I hard wire a contactor switch after breaking our float switch?

We have a pump that turns on with a float switch that is broken and was removed from the contactor switch - so I can't see how it was wired in. The good news is, we have a circuit breaker dedicated to ...
user227963's user avatar
  • 1,030
0 votes
1 answer
107 views

old bare copper ground wire to pool pump

I am reinstalling an existing 220 V pool pump and have found that the equipment ground is a bare copper wire, not insulated as per current code requirements . A new home run to the panel is about 100 '...
Fred descher's user avatar
0 votes
2 answers
70 views

Prevent dripping from rain barrel pump

I’ve recently set up a 50 gallon rain barrel and connected it to a 1/10 hp hose pump to water some nearby planters every morning (see pictures below). When the barrel is close to full, there’s some ...
Guillochon's user avatar
0 votes
3 answers
106 views

Water well pump

One water well with one pump feeding two houses, directly from the pump to each house. Each house has a tank and pressure switch. The well pump is connected to a three way switch. The other leads go ...
John's user avatar
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0 votes
0 answers
64 views

Condensation pipe from air handler is making gargling sound

I would appreciate some help on a new gargling voice coming from my HVAC furnace (first time using this season - this didn't happen last year). As shown in picture, there are 2 small tubes coming out ...
tipsytopsy's user avatar
2 votes
1 answer
102 views

Wilo Star S 21 FX pump for outside wood burner using only a 2 wire power supply (hot and neutral)

I have a Wilo Star S 21 FX pump (water circulation) on an outside wood burner that needs to be installed. The wire that fed the original pump (an off brand) has a black and a white wire. The 2 wire ...
Shamus Shafer's user avatar
12 votes
5 answers
3k views

In what situations could "dirty water leak into" municipal water pipes besides a catastrophic loss of pressure?

Under an answer to How is the quality of tap water in Thailand? I commented: Usually water in pipes is pressurized so that it comes out of the tap when you open it; is "dirty water making its ...
uhoh's user avatar
  • 315
0 votes
1 answer
294 views

Can I use an air pump for a short amount of time to pump out some water out of a small container?

I am working on a small 3.5l (~1g) container as a Paludarium (a type of vivarium that incorporates both terrestrial and aquatic elements). I want to put this nanofilter and attach an air pump on the ...
Shreyas P's user avatar
0 votes
0 answers
68 views

What setting do I need on my digital clamp meter?

I bought a digital clamp meter to test the points on my submersible pump which runs off 220. What do I need to set the meter on?
Angela's user avatar
  • 1
0 votes
1 answer
125 views

Can I separate this dishwasher motor from the sump?

I have an LG LDP7808SS dishwasher that is just over a year old (out of warranty of course) and the circulation pump is making loud noises. Can I separate the motor from the sump and just replace the ...
Cory S.'s user avatar
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